diff --git a/AKModel/tests.py b/AKModel/tests.py
index 65bd48bcecb1595db8c338702cc57e8f738ddfda..5fb99ca68d30eb13f137eeb92a47e0c6a1f28578 100644
--- a/AKModel/tests.py
+++ b/AKModel/tests.py
@@ -1,3 +1,4 @@
+import traceback
 from typing import List
 
 from django.contrib.auth.models import User
@@ -59,8 +60,11 @@ class BasicViewTests:
     def test_views_for_200(self):
         for view_name in self.VIEWS:
             view_name_with_prefix, url = self._name_and_url(view_name)
-            response = self.client.get(url)
-            self.assertEqual(response.status_code, 200, msg=f"{view_name_with_prefix} ({url}) broken")
+            try:
+                response = self.client.get(url)
+                self.assertEqual(response.status_code, 200, msg=f"{view_name_with_prefix} ({url}) broken")
+            except Exception as e:
+                self.fail(f"An error occurred during rendering of {view_name_with_prefix} ({url}):\n\n{traceback.format_exc()}")
 
     def test_access_control_staff_only(self):
         self.client.logout()
@@ -94,9 +98,12 @@ class ModelViewTests(BasicViewTests, TestCase):
         (DefaultSlot, 'defaultslot')
     ]
 
+    VIEWS_STAFF_ONLY = [
+        ('admin:index', {})
+    ]
+
     def test_admin(self):
         self.client.force_login(self.admin_user)
-
         for model in self.ADMIN_MODELS:
             if model[1] == "event":
                 continue
diff --git a/AKPlan/tests.py b/AKPlan/tests.py
index 13f671c6a965e3ccaca873019c6ef330c8efaff1..e19157c076dcb497cf7585767fd048b89c3355ba 100644
--- a/AKPlan/tests.py
+++ b/AKPlan/tests.py
@@ -26,3 +26,11 @@ class PlanViewTests(BasicViewTests, TestCase):
         response = self.client.get(url)
         self.assertNotContains(response, "Plan is not visible (yet).",
                                msg_prefix="Plan is not visible for staff user")
+
+    def test_wall_redirect(self):
+        view_name_with_prefix, url_wall = self._name_and_url(('plan_wall', {'event_slug': 'kif23'}))
+        view_name_with_prefix, url_plan = self._name_and_url(('plan_overview', {'event_slug': 'kif23'}))
+
+        response = self.client.get(url_wall)
+        self.assertRedirects(response, url_plan,
+                             msg_prefix=f"Redirect away from wall not working ({url_wall} -> {url_plan})")
diff --git a/AKSubmission/locale/de_DE/LC_MESSAGES/django.po b/AKSubmission/locale/de_DE/LC_MESSAGES/django.po
index 2168f6ef7ebd80e7d0634e15867b9c9c22dc78c3..623a98af69d72f8bb4ffaeb22e8ea640e8fbb357 100644
--- a/AKSubmission/locale/de_DE/LC_MESSAGES/django.po
+++ b/AKSubmission/locale/de_DE/LC_MESSAGES/django.po
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2022-12-27 00:42+0100\n"
+"POT-Creation-Date: 2023-01-01 16:07+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -258,10 +258,17 @@ msgid "AKs"
 msgstr "AKs"
 
 #: AKSubmission/templates/AKSubmission/ak_edit.html:8
-#: AKSubmission/templates/AKSubmission/ak_edit.html:21
+#: AKSubmission/templates/AKSubmission/ak_edit.html:32
 msgid "Edit AK"
 msgstr "AK bearbeiten"
 
+#: AKSubmission/templates/AKSubmission/ak_edit.html:24
+msgid ""
+"Add person not in the list yet. Unsaved changes in this form will be lost."
+msgstr ""
+"Person hinzufügen, die noch nicht in der Liste ist. Ungespeicherte "
+"Änderungen in diesem Formular gehen verloren."
+
 #: AKSubmission/templates/AKSubmission/ak_history.html:27
 msgid "Back"
 msgstr "Zurück"
@@ -316,7 +323,7 @@ msgstr "Senden"
 #: AKSubmission/templates/AKSubmission/akmessage_add.html:32
 #: AKSubmission/templates/AKSubmission/akowner_create_update.html:27
 #: AKSubmission/templates/AKSubmission/akslot_add_update.html:30
-#: AKSubmission/templates/AKSubmission/submit_new.html:54
+#: AKSubmission/templates/AKSubmission/submit_new.html:56
 msgid "Reset Form"
 msgstr "Formular leeren"
 
@@ -324,7 +331,7 @@ msgstr "Formular leeren"
 #: AKSubmission/templates/AKSubmission/akowner_create_update.html:31
 #: AKSubmission/templates/AKSubmission/akslot_add_update.html:34
 #: AKSubmission/templates/AKSubmission/akslot_delete.html:46
-#: AKSubmission/templates/AKSubmission/submit_new.html:58
+#: AKSubmission/templates/AKSubmission/submit_new.html:60
 msgid "Cancel"
 msgstr "Abbrechen"
 
@@ -407,7 +414,7 @@ msgstr ""
 "Dieses Event is nicht aktiv. Es können keine AKs hinzugefügt oder bearbeitet "
 "werden"
 
-#: AKSubmission/templates/AKSubmission/submit_new.html:50
+#: AKSubmission/templates/AKSubmission/submit_new.html:52
 msgid "Submit"
 msgstr "Eintragen"
 
@@ -437,35 +444,40 @@ msgstr "AK erfolgreich angelegt"
 msgid "AK successfully updated"
 msgstr "AK erfolgreich aktualisiert"
 
-#: AKSubmission/views.py:344
+#: AKSubmission/views.py:310
+#, python-brace-format
+msgid "Added '{owner}' as new owner of '{ak.name}'"
+msgstr "'{owner}' als neue Leitung von '{ak.name}' hinzugefügt"
+
+#: AKSubmission/views.py:351
 msgid "Person Info successfully updated"
 msgstr "Personen-Info erfolgreich aktualisiert"
 
-#: AKSubmission/views.py:364
+#: AKSubmission/views.py:371
 msgid "No user selected"
 msgstr "Keine Person ausgewählt"
 
-#: AKSubmission/views.py:391
+#: AKSubmission/views.py:398
 msgid "AK Slot successfully added"
 msgstr "AK-Slot erfolgreich angelegt"
 
-#: AKSubmission/views.py:405
+#: AKSubmission/views.py:412
 msgid "You cannot edit a slot that has already been scheduled"
 msgstr "Bereits geplante AK-Slots können nicht mehr bearbeitet werden"
 
-#: AKSubmission/views.py:415
+#: AKSubmission/views.py:422
 msgid "AK Slot successfully updated"
 msgstr "AK-Slot erfolgreich aktualisiert"
 
-#: AKSubmission/views.py:428
+#: AKSubmission/views.py:435
 msgid "You cannot delete a slot that has already been scheduled"
 msgstr "Bereits geplante AK-Slots können nicht mehr gelöscht werden"
 
-#: AKSubmission/views.py:438
+#: AKSubmission/views.py:445
 msgid "AK Slot successfully deleted"
 msgstr "AK-Slot erfolgreich angelegt"
 
-#: AKSubmission/views.py:460
+#: AKSubmission/views.py:467
 msgid "Message to organizers successfully saved"
 msgstr "Nachricht an die Organisator*innen erfolgreich gespeichert"
 
diff --git a/AKSubmission/templates/AKSubmission/ak_edit.html b/AKSubmission/templates/AKSubmission/ak_edit.html
index b01443541cb9e20c6e877bd4109723b9c18e99d4..72a454a37f0cdf82c2a2868db58ef084450ea541 100644
--- a/AKSubmission/templates/AKSubmission/ak_edit.html
+++ b/AKSubmission/templates/AKSubmission/ak_edit.html
@@ -16,6 +16,17 @@
     <li class="breadcrumb-item active">{% trans "Edit" %}</li>
 {% endblock %}
 
+{% block form_contents %}
+    {% bootstrap_field form.name %}
+    <div class="form-group">
+        {% bootstrap_field form.owners form_group_class="" %}
+        <a href="{% url 'submit:akowner_create' event_slug=event.slug %}?add_to_existing_ak={{ ak.pk }}">
+            {% fa5_icon "plus" "fas" %} {% trans "Add person not in the list yet. Unsaved changes in this form will be lost." %}
+        </a>
+    </div>
+    {% bootstrap_form form exclude='name,owners' %}
+{% endblock %}
+
 
 {% block headline %}
     <h2>{% trans 'Edit AK' %}</h2>
diff --git a/AKSubmission/templates/AKSubmission/submit_new.html b/AKSubmission/templates/AKSubmission/submit_new.html
index b3699b3c90c500f8479ee8166dbf01deb1c300c9..985d4326defe68af20ecf66251703ab628520276 100644
--- a/AKSubmission/templates/AKSubmission/submit_new.html
+++ b/AKSubmission/templates/AKSubmission/submit_new.html
@@ -44,7 +44,9 @@
         <h2>{% trans 'New AK' %}</h2>
     {% endblock %}
     <form method="POST" class="post-form">{% csrf_token %}
-        {% bootstrap_form form %}
+        {% block form_contents %}
+            {% bootstrap_form form %}
+        {% endblock %}
         {% buttons %}
             <button type="submit" class="save btn btn-primary float-right">
                 {% fa5_icon "check" 'fas' %} {% trans "Submit" %}
diff --git a/AKSubmission/tests.py b/AKSubmission/tests.py
index 4cff0830106ccbffcd142edf2940d994257e3148..fe474aadce824d818fa610758ea023dc009eb909 100644
--- a/AKSubmission/tests.py
+++ b/AKSubmission/tests.py
@@ -159,4 +159,21 @@ class ModelViewTests(BasicViewTests, TestCase):
         response = self.client.post(invalid_interest_api_url)
         self.assertEqual(response.status_code, 404, f"Invalid URL reachable ({interest_api_url})")
 
+    def test_adding_of_unknown_user(self):
+        detail_url = reverse_lazy(f"{self.APP_NAME}:ak_detail", kwargs={'event_slug': 'kif42', 'pk': 1})
+        response = self.client.get(detail_url)
+        self.assertEqual(response.status_code, 200, msg="Could not load ak detail view")
 
+        edit_url = reverse_lazy(f"{self.APP_NAME}:ak_edit", kwargs={'event_slug': 'kif42', 'pk': 1})
+        response = self.client.get(edit_url)
+        self.assertEqual(response.status_code, 200, msg="Could not load ak detail view")
+        self.assertContains(response, "Add person not in the list yet",
+                            msg_prefix="Link to add unknown user not contained")
+
+        self.assertEqual(AK.objects.get(pk=1).owners.count(), 1)
+        add_new_user_to_ak_url = reverse_lazy(f"{self.APP_NAME}:akowner_create", kwargs={'event_slug': 'kif42'}) + f"?add_to_existing_ak=1"
+        response = self.client.post(add_new_user_to_ak_url, {'name': 'New test owner', 'event': Event.get_by_slug('kif42').pk})
+        self.assertRedirects(response, detail_url,
+                             msg_prefix=f"No correct redirect: {add_new_user_to_ak_url} (POST) -> {detail_url}")
+        self._assert_message(response, "Added 'New test owner' as new owner of 'Test AK Inhalt'")
+        self.assertEqual(AK.objects.get(pk=1).owners.count(), 2)
diff --git a/AKSubmission/views.py b/AKSubmission/views.py
index 15d0811d467f4055394cedd0e8de0584adfa972a..044334741fa91a214e3983121908785b482f3c3f 100644
--- a/AKSubmission/views.py
+++ b/AKSubmission/views.py
@@ -302,6 +302,13 @@ class AKOwnerCreateView(EventSlugMixin, EventInactiveRedirectMixin, CreateView):
     form_class = AKOwnerForm
 
     def get_success_url(self):
+        if "add_to_existing_ak" in self.request.GET:
+            ak_pk = self.request.GET['add_to_existing_ak']
+            ak = get_object_or_404(AK, pk=ak_pk)
+            ak.owners.add(self.object)
+            messages.add_message(self.request, messages.SUCCESS,
+                                 _("Added '{owner}' as new owner of '{ak.name}'").format(owner=self.object, ak=ak))
+            return reverse_lazy('submit:ak_detail', kwargs={'event_slug': self.kwargs['event_slug'], 'pk': ak.pk})
         return reverse_lazy('submit:submit_ak',
                             kwargs={'event_slug': self.kwargs['event_slug'], 'owner_slug': self.object.slug})