diff --git a/app/src/main/java/de/sebse/fuplanner/MainActivity.java b/app/src/main/java/de/sebse/fuplanner/MainActivity.java
index f033de4..1a59f34 100644
--- a/app/src/main/java/de/sebse/fuplanner/MainActivity.java
+++ b/app/src/main/java/de/sebse/fuplanner/MainActivity.java
@@ -41,6 +41,7 @@ import de.sebse.fuplanner.services.KVV.KVVListener;
 import de.sebse.fuplanner.services.KVV.types.LoginToken;
 import de.sebse.fuplanner.services.KVV.types.Modules;
 import de.sebse.fuplanner.tools.MainActivityListener;
+import de.sebse.fuplanner.tools.NewAsyncQueue;
 import de.sebse.fuplanner.tools.RequestPermissionsResultListener;
 import de.sebse.fuplanner.tools.logging.Logger;
 import de.sebse.fuplanner.tools.network.NetworkCallback;
@@ -77,6 +78,7 @@ public class MainActivity extends AppCompatActivity
     private CanteenBrowser mCanteenBrowser;
     private HashMap<String, RequestPermissionsResultListener> permissionListeners = new HashMap<>();
     private boolean mOfflineBanner;
+    private NewAsyncQueue mQueue = new NewAsyncQueue();
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -422,7 +424,9 @@ public class MainActivity extends AppCompatActivity
             });
     }
 
-    private void afterAnyMenuInflate(boolean isLoggedIn) {
+    private void afterAnyMenuInflate(boolean isLoggedIn, Runnable done) {
+        int MAX_COUNT = 2;
+        final int[] count = {0};
         if (isLoggedIn) {
             getKVV().modules().list().recv(success -> {
                 int i = 0;
@@ -435,7 +439,11 @@ public class MainActivity extends AppCompatActivity
                     });
                     i++;
                 }
-            }, log::e);
+                if (++count[0] == MAX_COUNT) done.run();
+            }, msg -> {
+                if (++count[0] == MAX_COUNT) done.run();
+                log.e(msg);
+            });
         }
         getCanteenBrowser().getCanteens(success -> {
             int i = 0;
@@ -447,19 +455,27 @@ public class MainActivity extends AppCompatActivity
                 });
                 i++;
             }
-        }, log::e);
+            if (++count[0] == MAX_COUNT) done.run();
+        }, msg -> {
+            if (++count[0] == MAX_COUNT) done.run();
+            log.e(msg);
+        });
     }
 
     private void updateNavigation() {
-        boolean isLoggedIn = getKVV().account().isLoggedIn();
-        setNavigationHeader(isLoggedIn);
-        mNavigationView.getMenu().clear();
-        if (isLoggedIn)
-            mNavigationView.inflateMenu(R.menu.activity_main_drawer_login);
-        else
-            mNavigationView.inflateMenu(R.menu.activity_main_drawer);
-        afterAnyMenuInflate(isLoggedIn);
-        setNavigationSelection();
+        mQueue.add(() -> {
+            boolean isLoggedIn = getKVV().account().isLoggedIn();
+            setNavigationHeader(isLoggedIn);
+            mNavigationView.getMenu().clear();
+            if (isLoggedIn)
+                mNavigationView.inflateMenu(R.menu.activity_main_drawer_login);
+            else
+                mNavigationView.inflateMenu(R.menu.activity_main_drawer);
+            afterAnyMenuInflate(isLoggedIn, () -> {
+                setNavigationSelection();
+                mQueue.next();
+            });
+        });
     }
 
 
diff --git a/app/src/main/java/de/sebse/fuplanner/fragments/ModulesAdapter.java b/app/src/main/java/de/sebse/fuplanner/fragments/ModulesAdapter.java
index c1e32c9..3d770ea 100644
--- a/app/src/main/java/de/sebse/fuplanner/fragments/ModulesAdapter.java
+++ b/app/src/main/java/de/sebse/fuplanner/fragments/ModulesAdapter.java
@@ -90,7 +90,7 @@ class ModulesAdapter extends RecyclerView.Adapter<CustomViewHolder> {
             Modules.Module module = ((Modules.Module) pair.second);
             iHolder.mTitle.setText(module.title);
             StringBuilder lecturers = new StringBuilder();
-            for (Lecturer lecturer : module.lecturer) {
+            for (Lecturer lecturer: module.lecturer) {
                 if (!lecturer.isResponsible())
                     continue;
                 if (lecturers.length() > 0)
diff --git a/app/src/main/java/de/sebse/fuplanner/fragments/moddetails/ModDetailOverviewAdapter.java b/app/src/main/java/de/sebse/fuplanner/fragments/moddetails/ModDetailOverviewAdapter.java
index 8e95208..2edf8e0 100644
--- a/app/src/main/java/de/sebse/fuplanner/fragments/moddetails/ModDetailOverviewAdapter.java
+++ b/app/src/main/java/de/sebse/fuplanner/fragments/moddetails/ModDetailOverviewAdapter.java
@@ -16,11 +16,13 @@ import de.sebse.fuplanner.R;
 import de.sebse.fuplanner.services.KVV.types.Announcement;
 import de.sebse.fuplanner.services.KVV.types.Assignment;
 import de.sebse.fuplanner.services.KVV.types.Event;
+import de.sebse.fuplanner.services.KVV.types.Lecturer;
 import de.sebse.fuplanner.services.KVV.types.Modules;
 import de.sebse.fuplanner.tools.UtilsDate;
 import de.sebse.fuplanner.tools.logging.Logger;
 import de.sebse.fuplanner.tools.ui.CustomViewHolder;
 import de.sebse.fuplanner.tools.ui.ItemViewHolder;
+import de.sebse.fuplanner.tools.ui.MailViewHolder;
 import de.sebse.fuplanner.tools.ui.StringViewHolder;
 
 class ModDetailOverviewAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
@@ -30,6 +32,7 @@ class ModDetailOverviewAdapter extends RecyclerView.Adapter<RecyclerView.ViewHol
     private static final int TYPE_DESCRIPTION = 1;
     private static final int TYPE_ITEM = 2;
     private static final int TYPE_SHOW_MORE = 3;
+    private static final int TYPE_MAIL = 4;
 
     @Nullable private final ModDetailListener mListener;
 
@@ -52,6 +55,10 @@ class ModDetailOverviewAdapter extends RecyclerView.Adapter<RecyclerView.ViewHol
         mPositionalData.clear();
         mPositionalData.add(new Pair<>(TYPE_HEADER, ModulePart.DESCRIPTION));
         mPositionalData.add(new Pair<>(TYPE_DESCRIPTION, null));
+        mPositionalData.add(new Pair<>(TYPE_HEADER, ModulePart.LECTURERS));
+        for (int i = 0; i < mValue.lecturer.size(); i++) {
+            mPositionalData.add(new Pair<>(TYPE_MAIL, ModulePart.LECTURERS+1024*i));
+        }
         mPositionalData.add(new Pair<>(TYPE_HEADER, ModulePart.ANNOUNCEMENT));
         addPositionalListData(getAnnounceCount(), ModulePart.ANNOUNCEMENT);
         mPositionalData.add(new Pair<>(TYPE_HEADER, ModulePart.ASSIGNMENT));
@@ -90,6 +97,10 @@ class ModDetailOverviewAdapter extends RecyclerView.Adapter<RecyclerView.ViewHol
                 view = LayoutInflater.from(parent.getContext())
                         .inflate(R.layout.list_all_show_more, parent, false);
                 return new CustomViewHolder(view);
+            case TYPE_MAIL:
+                view = LayoutInflater.from(parent.getContext())
+                        .inflate(R.layout.list_all_mails, parent, false);
+                return new MailViewHolder(view);
             default:
                 //noinspection ConstantConditions
                 return null;
@@ -116,6 +127,9 @@ class ModDetailOverviewAdapter extends RecyclerView.Adapter<RecyclerView.ViewHol
                     case ModulePart.DESCRIPTION:
                         h.mString.setText(R.string.description);
                         break;
+                    case ModulePart.LECTURERS:
+                        h.mString.setText(h.mView.getResources().getString(R.string.lecturers));
+                        break;
                     case ModulePart.ANNOUNCEMENT:
                         h.mString.setText(h.mView.getResources().getString(R.string.announcements_count, getAnnounceCount()));
                         break;
@@ -182,6 +196,21 @@ class ModDetailOverviewAdapter extends RecyclerView.Adapter<RecyclerView.ViewHol
                         break;
                 }
                 break;
+            case TYPE_MAIL:
+                section = ((Integer) data.second) % 1024;
+                index = ((Integer) data.second) / 1024;
+                MailViewHolder m = (MailViewHolder) holder;
+                switch (section) {
+                    case ModulePart.LECTURERS:
+                        Lecturer lecturer = mValue.lecturer.get(index);
+                        m.mTitle.setText(lecturer.getName());
+                        m.mSubLeft.setText(lecturer.getMail());
+                        //i.mSubRight.setText(UtilsDate.getModifiedDateTime(i.mView.getContext(), announce.getCreatedOn()));
+                        /*i.mView.setOnClickListener(view -> {
+                            if (mListener != null) mListener.gotoFragmentPart(section, index);
+                        });*/
+                        break;
+                }
             case TYPE_SHOW_MORE:
                 CustomViewHolder c = (CustomViewHolder) holder;
                 c.mView.setOnClickListener(view -> {
diff --git a/app/src/main/java/de/sebse/fuplanner/fragments/moddetails/ModulePart.java b/app/src/main/java/de/sebse/fuplanner/fragments/moddetails/ModulePart.java
index 1b6c693..bb25f62 100644
--- a/app/src/main/java/de/sebse/fuplanner/fragments/moddetails/ModulePart.java
+++ b/app/src/main/java/de/sebse/fuplanner/fragments/moddetails/ModulePart.java
@@ -8,6 +8,7 @@ class ModulePart {
     static final int EVENT = 4;
     static final int GRADEBOOK = 5;
     static final int RESOURCES = 6;
+    static final int LECTURERS = 7;
     private static final int[] pages = new int[]{OVERVIEW, ANNOUNCEMENT, ASSIGNMENT, GRADEBOOK, RESOURCES, EVENT};
 
     static int getPageCount() {
diff --git a/app/src/main/java/de/sebse/fuplanner/services/KVV/ModulesList.java b/app/src/main/java/de/sebse/fuplanner/services/KVV/ModulesList.java
index 5af11f7..c9f5129 100644
--- a/app/src/main/java/de/sebse/fuplanner/services/KVV/ModulesList.java
+++ b/app/src/main/java/de/sebse/fuplanner/services/KVV/ModulesList.java
@@ -10,6 +10,7 @@ import org.json.JSONObject;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.util.HashSet;
+import java.util.LinkedHashSet;
 import java.util.regex.MatchResult;
 
 import de.sebse.fuplanner.services.KVV.types.Lecturer;
@@ -166,7 +167,7 @@ public class ModulesList extends HTTPService {
                         lvNumbers.add(matchResult.group());
                     }
                     String title = site.getString("entityTitle");
-                    HashSet<Lecturer> lecturers = new HashSet<>();
+                    LinkedHashSet<Lecturer> lecturers = new LinkedHashSet<>();
                     String kvv_lecturers = site.getJSONObject("props").optString("kvv_lecturers", null);
                     if (kvv_lecturers != null) for (String lecturer : kvv_lecturers.split("#")) {
                         if (lecturer.length() > 2)
diff --git a/app/src/main/java/de/sebse/fuplanner/services/KVV/types/Lecturer.java b/app/src/main/java/de/sebse/fuplanner/services/KVV/types/Lecturer.java
index c84737a..6ceb2b6 100644
--- a/app/src/main/java/de/sebse/fuplanner/services/KVV/types/Lecturer.java
+++ b/app/src/main/java/de/sebse/fuplanner/services/KVV/types/Lecturer.java
@@ -4,8 +4,6 @@ import java.io.Serializable;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-import de.sebse.fuplanner.tools.logging.Logger;
-
 public class Lecturer implements Serializable {
     private final String firstName;
     private final String surname;
diff --git a/app/src/main/java/de/sebse/fuplanner/services/KVV/types/Modules.java b/app/src/main/java/de/sebse/fuplanner/services/KVV/types/Modules.java
index 1b87e7d..9e5b6d7 100644
--- a/app/src/main/java/de/sebse/fuplanner/services/KVV/types/Modules.java
+++ b/app/src/main/java/de/sebse/fuplanner/services/KVV/types/Modules.java
@@ -10,10 +10,10 @@ import java.io.IOException;
 import java.io.ObjectInputStream;
 import java.io.ObjectOutputStream;
 import java.io.Serializable;
-import java.nio.channels.SeekableByteChannel;
 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.Iterator;
+import java.util.LinkedHashSet;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -33,7 +33,7 @@ public class Modules implements Iterable<Modules.Module>, Serializable {
         this.list = new SortedListModule();
     }
 
-    public void addModule(@Nullable Semester semester, HashSet<String> lvNumber, String title, HashSet<Lecturer> lecturer, String type, String description, String ID) {
+    public void addModule(@Nullable Semester semester, HashSet<String> lvNumber, String title, LinkedHashSet<Lecturer> lecturer, String type, String description, String ID) {
         Module m = new Module(semester, lvNumber, title, lecturer, type, description, ID);
         this.list.add(m);
     }
@@ -114,7 +114,7 @@ public class Modules implements Iterable<Modules.Module>, Serializable {
         @NotNull final HashSet<String> lvNumber;
         @NotNull public final String title;
         @NotNull
-        public final HashSet<Lecturer> lecturer;
+        public final ArrayList<Lecturer> lecturer;
         @Nullable public final String type;
         @Nullable public final String description;
         @NotNull private final String ID;
@@ -138,14 +138,14 @@ public class Modules implements Iterable<Modules.Module>, Serializable {
             return userPoint/maxPoint;
         }
 
-        private Module(@Nullable Semester semester, @NotNull HashSet<String> lvNumber, @NotNull String title, @NotNull HashSet<Lecturer> lecturer, @Nullable String type, @Nullable String description, @NotNull String ID) {
+        private Module(@Nullable Semester semester, @NotNull HashSet<String> lvNumber, @NotNull String title, @NotNull LinkedHashSet<Lecturer> lecturer, @Nullable String type, @Nullable String description, @NotNull String ID) {
 
             title = title.replaceAll("(.*?) (S[0-9]{2}|W[0-9/]{5})", "$1");
 
             this.semester = semester;
             this.lvNumber = lvNumber;
             this.title = title;
-            this.lecturer = lecturer;
+            this.lecturer = new ArrayList<>(lecturer);
             this.type = type;
             this.description = description;
             this.ID = ID;
diff --git a/app/src/main/java/de/sebse/fuplanner/services/KVV/types/SortedListModule.java b/app/src/main/java/de/sebse/fuplanner/services/KVV/types/SortedListModule.java
index b3b480e..5c226f4 100644
--- a/app/src/main/java/de/sebse/fuplanner/services/KVV/types/SortedListModule.java
+++ b/app/src/main/java/de/sebse/fuplanner/services/KVV/types/SortedListModule.java
@@ -1,7 +1,6 @@
 package de.sebse.fuplanner.services.KVV.types;
 
 import androidx.annotation.Nullable;
-import de.sebse.fuplanner.tools.Regex;
 import de.sebse.fuplanner.tools.SortedList;
 
 public class SortedListModule extends SortedList<Modules.Module, String, Semester> {
diff --git a/app/src/main/java/de/sebse/fuplanner/tools/EventListener.java b/app/src/main/java/de/sebse/fuplanner/tools/EventListener.java
index 7e1afd2..42bbbcf 100644
--- a/app/src/main/java/de/sebse/fuplanner/tools/EventListener.java
+++ b/app/src/main/java/de/sebse/fuplanner/tools/EventListener.java
@@ -1,7 +1,5 @@
 package de.sebse.fuplanner.tools;
 
-import com.google.android.gms.common.util.Function;
-
 import java.util.HashMap;
 
 public class EventListener<T> {
diff --git a/app/src/main/java/de/sebse/fuplanner/tools/network/HTTPService.java b/app/src/main/java/de/sebse/fuplanner/tools/network/HTTPService.java
index 96b9b00..ea82635 100644
--- a/app/src/main/java/de/sebse/fuplanner/tools/network/HTTPService.java
+++ b/app/src/main/java/de/sebse/fuplanner/tools/network/HTTPService.java
@@ -10,7 +10,6 @@ import com.android.volley.Response;
 import com.android.volley.TimeoutError;
 import com.android.volley.VolleyError;
 import com.android.volley.toolbox.Volley;
-import com.google.android.gms.common.util.Function;
 
 import java.io.UnsupportedEncodingException;
 import java.net.URLEncoder;
diff --git a/app/src/main/java/de/sebse/fuplanner/tools/ui/AnnouncementViewHolder.java b/app/src/main/java/de/sebse/fuplanner/tools/ui/AnnouncementViewHolder.java
index 91694b7..d8ae17b 100644
--- a/app/src/main/java/de/sebse/fuplanner/tools/ui/AnnouncementViewHolder.java
+++ b/app/src/main/java/de/sebse/fuplanner/tools/ui/AnnouncementViewHolder.java
@@ -1,7 +1,6 @@
 package de.sebse.fuplanner.tools.ui;
 
 import android.view.View;
-import android.widget.ImageView;
 import android.widget.TextView;
 
 import com.cunoraz.tagview.TagView;
diff --git a/app/src/main/java/de/sebse/fuplanner/tools/ui/ListViewHolder.java b/app/src/main/java/de/sebse/fuplanner/tools/ui/ListViewHolder.java
index 9c7534f..8e04b95 100644
--- a/app/src/main/java/de/sebse/fuplanner/tools/ui/ListViewHolder.java
+++ b/app/src/main/java/de/sebse/fuplanner/tools/ui/ListViewHolder.java
@@ -1,8 +1,6 @@
 package de.sebse.fuplanner.tools.ui;
 
 import android.view.View;
-import android.widget.ListView;
-import android.widget.TextView;
 
 import androidx.recyclerview.widget.RecyclerView;
 import de.sebse.fuplanner.R;
diff --git a/app/src/main/java/de/sebse/fuplanner/tools/ui/MailViewHolder.java b/app/src/main/java/de/sebse/fuplanner/tools/ui/MailViewHolder.java
new file mode 100644
index 0000000..c24b47e
--- /dev/null
+++ b/app/src/main/java/de/sebse/fuplanner/tools/ui/MailViewHolder.java
@@ -0,0 +1,26 @@
+package de.sebse.fuplanner.tools.ui;
+
+import android.view.View;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import androidx.recyclerview.widget.RecyclerView;
+import de.sebse.fuplanner.R;
+
+public class MailViewHolder extends StringViewHolder {
+    public final TextView mTitle;
+    public final TextView mSubLeft;
+    public final ImageView mIcon;
+
+    public MailViewHolder(View view) {
+        super(view);
+        mTitle = view.findViewById(R.id.title);
+        mSubLeft = view.findViewById(R.id.sub_left);
+        mIcon = view.findViewById(R.id.icon);
+    }
+
+    @Override
+    public String toString() {
+        return super.toString() + " '" + mTitle.getText() + "' '" + mSubLeft.getText() + "'";
+    }
+}
diff --git a/app/src/main/res/drawable/ic_mail.xml b/app/src/main/res/drawable/ic_mail.xml
new file mode 100644
index 0000000..6701eb8
--- /dev/null
+++ b/app/src/main/res/drawable/ic_mail.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="40dp"
+        android:height="40dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#003366"
+        android:pathData="M20,4L4,4c-1.1,0 -1.99,0.9 -1.99,2L2,18c0,1.1 0.9,2 2,2h16c1.1,0 2,-0.9 2,-2L22,6c0,-1.1 -0.9,-2 -2,-2zM20,8l-8,5 -8,-5L4,6l8,5 8,-5v2z"/>
+</vector>
diff --git a/app/src/main/res/layout/list_all_mails.xml b/app/src/main/res/layout/list_all_mails.xml
new file mode 100644
index 0000000..ce391c3
--- /dev/null
+++ b/app/src/main/res/layout/list_all_mails.xml
@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<androidx.cardview.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_margin="4dp">
+    <RelativeLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        android:padding="5dip" >
+        <TextView
+            android:id="@+id/title"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:textStyle="bold"
+            android:typeface="sans"
+            tools:text="Test this new stuff!" />
+
+        <TextView
+            android:id="@+id/sub_left"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_below="@id/title"
+            android:layout_marginTop="5dip"
+            android:textColor="#343434"
+            android:textSize="12sp"
+            tools:text="Peter Bauer" />
+
+        <ImageView
+            android:id="@+id/icon"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_alignTop="@id/title"
+            android:layout_alignBottom="@id/sub_left"
+            android:layout_alignParentEnd="true"
+            android:layout_alignParentRight="true"
+            android:layout_marginRight="10dp"
+            android:contentDescription="@string/mail_icon"
+            android:scaleType="fitCenter"
+            android:src="@drawable/ic_mail"
+            android:layout_marginEnd="10dp" />
+    </RelativeLayout>
+</androidx.cardview.widget.CardView>
\ No newline at end of file
diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
index 01149c9..5d99002 100644
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@@ -78,4 +78,6 @@
     <string name="deadline">Abgabe</string>
     <string name="winter_semester">Wintersemester %1$d/%2$d</string>
     <string name="summer_semester">Sommersemester %1$d</string>
+    <string name="lecturers">Dozenten</string>
+    <string name="mail_icon">Mail Icon</string>
 </resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 289dce6..a69e4ea 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -86,4 +86,6 @@
     <string name="deadline">Deadline</string>
     <string name="winter_semester">Winter Semester %1$d/%2$d</string>
     <string name="summer_semester">Summer Semester %1$d</string>
+    <string name="lecturers">Lecturers</string>
+    <string name="mail_icon">Mail Icon</string>
 </resources>