diff --git a/src/common/guifacade.cpp b/src/common/guifacade.cpp
index 63e3e5f89..67abbe023 100644
--- a/src/common/guifacade.cpp
+++ b/src/common/guifacade.cpp
@@ -71,7 +71,7 @@ namespace gui {
           bool res = this->launchUI (terminationHandle);
           
           if (!res || lumiera_error_peek())
-            throw lumiera::error::Fatal("failed to bring up GUI",lumiera_error());
+            throw lumiera::error::Fatal{"failed to bring up the GUI", lumiera_error()};
         }
       
       
@@ -93,7 +93,7 @@ namespace gui {
       : public lumiera::Subsys,
         public Sync<RecursiveLock_NoWait>
       {
-        operator string ()  const { return "Lumiera GTK GUI"; }
+        operator string()  const { return "Lumiera GTK GUI"; }
         
         bool 
         shouldStart (lumiera::Option& opts)  override
@@ -114,10 +114,10 @@ namespace gui {
             if (facade)
               return false;    // already started
             
-            facade.reset (   // trigger loading of the GuiStarterPlugin...
+            facade.reset (   //  trigger loading of the GuiStarterPlugin...
               new GuiRunner (
                     [=] (string* problemMessage)
-                        { //    will be invoked when the UI thread exits
+                        { //     will be invoked when the UI thread exits
                           closeGuiModule();
                           termNotification(problemMessage);
                         }));
@@ -159,7 +159,7 @@ namespace gui {
                                  "Probably this is due to some broken startup logic and should be fixed.");
               }
             else
-              facade.reset (0);
+              facade.reset (nullptr);
           }
         
         
diff --git a/src/gui/ctrl/ui-manager.hpp b/src/gui/ctrl/ui-manager.hpp
index 74b9ccd24..b286b1191 100644
--- a/src/gui/ctrl/ui-manager.hpp
+++ b/src/gui/ctrl/ui-manager.hpp
@@ -31,9 +31,9 @@
  ** of the session model. Notable connections established herein:
  ** - connection to the [UI-Bus](\ref ui-bus.hpp)
  ** - the global Actions available though the menu
- ** - the WindowList
  ** - the InteractionDirector (top-level controller)
  ** - the StyleManager
+ ** - the WindowList
  ** 
  ** @see gtk-lumiera.hpp
  ** @see ui-bus.hpp
@@ -64,6 +64,7 @@ namespace ctrl {
   class Actions;
   
   
+  
   /** Framework initialisation base */
   class ApplicationBase
     : public Gtk::UIManager
diff --git a/src/gui/gtk-lumiera.cpp b/src/gui/gtk-lumiera.cpp
index bcc8049e2..a566b3de1 100644
--- a/src/gui/gtk-lumiera.cpp
+++ b/src/gui/gtk-lumiera.cpp
@@ -78,6 +78,9 @@ namespace gui {
   
   namespace { // implementation details
     
+    using ctrl::UiManager;
+    
+    
     /**************************************************************************//**
      * Implement the necessary steps for actually making the Lumiera Gui available.
      * Establish the UI backbone services and start up the GTK GUI main event loop.
@@ -88,11 +91,15 @@ namespace gui {
     class GtkLumiera
       : boost::noncopyable
       {
+        UiBus uiBus_;
+        UiManager uiManager_;
         DisplayService activateDisplayService_;        ///////////////////////////TICKET #82 will go away once we have a real OutputSlot offered by the UI
         
       public:
         GtkLumiera ()
-          : activateDisplayService_()                  ///////////////////////////TICKET #82 obsolete (and incurs a race)
+          : uiBus_{}
+          , uiManager_{uiBus_}
+          , activateDisplayService_()                  ///////////////////////////TICKET #82 obsolete (and incurs a race)
           { }
         
         
@@ -102,12 +109,9 @@ namespace gui {
             string errorMsgBuff;
             try
               {
-                UiBus uiBus;
-                ctrl::UiManager uiManager(uiBus);
-                
                 // execute the GTK Event Loop____________
-                uiManager.createApplicationWindow();
-                uiManager.performMainLoop();
+                uiManager_.createApplicationWindow();
+                uiManager_.performMainLoop();
               }                                        // all went well, regular shutdown
             
             catch (lumiera::Error& problem)
diff --git a/wiki/thinkPad.ichthyo.mm b/wiki/thinkPad.ichthyo.mm
index d4c9c2da8..5e71233f8 100644
--- a/wiki/thinkPad.ichthyo.mm
+++ b/wiki/thinkPad.ichthyo.mm
@@ -211,8 +211,7 @@
       aber nur via einfacher &quot;uplink&quot;-Verbindung
     </p>
   </body>
-</html>
-</richcontent>
+</html></richcontent>
 <icon BUILTIN="button_ok"/>
 </node>
 <node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1493753215852" ID="ID_1971120" MODIFIED="1493753233570" TEXT="offen: wie kann man Shutdown implementieren">
@@ -222,7 +221,8 @@
 <icon BUILTIN="help"/>
 </node>
 </node>
-<node CREATED="1481502320065" FOLDED="true" ID="ID_1298358905" MODIFIED="1488423342540" TEXT="macht bisher der GuiRunner">
+<node CREATED="1481502320065" FOLDED="true" ID="ID_1298358905" MODIFIED="1495207546647" TEXT="macht bisher der GuiRunner">
+<icon BUILTIN="info"/>
 <node CREATED="1481502327528" ID="ID_75293128" MODIFIED="1487275489277" TEXT="das ist ohnehin schlecht">
 <richcontent TYPE="NOTE"><html>
   <head>
@@ -253,13 +253,15 @@
 <icon BUILTIN="button_ok"/>
 </node>
 </node>
-<node CREATED="1481502305995" FOLDED="true" ID="ID_1943234904" MODIFIED="1493753296498" TEXT="in CoreService verschieben">
+<node CREATED="1481502305995" FOLDED="true" ID="ID_1943234904" MODIFIED="1495207549076" TEXT="in CoreService verschieben">
+<icon BUILTIN="button_ok"/>
 <node CREATED="1484793022924" ID="ID_1019455888" MODIFIED="1484793099044" TEXT="GuiNotificattion ist jetzt Feld in CoreService">
 <linktarget COLOR="#4072ad" DESTINATION="ID_1019455888" ENDARROW="Default" ENDINCLINATION="-334;0;" ID="Arrow_ID_693735378" SOURCE="ID_66499328" STARTARROW="None" STARTINCLINATION="-45;-19;"/>
 <icon BUILTIN="idea"/>
 </node>
-<node CREATED="1484793113472" FOLDED="true" ID="ID_221612387" MODIFIED="1488423308106" TEXT="Lebenszyklus nochmal pr&#xfc;fen">
-<node CREATED="1484797307376" FOLDED="true" ID="ID_842106541" MODIFIED="1488423308091" TEXT="Abfolge">
+<node COLOR="#338800" CREATED="1484793113472" FOLDED="true" ID="ID_221612387" MODIFIED="1495207526746" TEXT="Lebenszyklus nochmal pr&#xfc;fen">
+<icon BUILTIN="button_ok"/>
+<node CREATED="1484797307376" FOLDED="true" ID="ID_842106541" MODIFIED="1495207516420" TEXT="Abfolge">
 <icon BUILTIN="info"/>
 <node CREATED="1484797311008" ID="ID_424744338" MODIFIED="1484797318947" TEXT="GuiFacade::start"/>
 <node CREATED="1484797337516" ID="ID_750979034" MODIFIED="1484797361213" TEXT="erzeugt unique_ptr&lt;GuiRunner&gt;"/>
@@ -267,7 +269,7 @@
 <node CREATED="1484797379239" ID="ID_1948690926" MODIFIED="1484797386210" TEXT="l&#xe4;d Plugin"/>
 <node CREATED="1484797399756" ID="ID_1084903350" MODIFIED="1484797408855" TEXT="ruft im ctor launchUi()"/>
 </node>
-<node CREATED="1484797429160" FOLDED="true" ID="ID_959278184" MODIFIED="1488423308072" TEXT="guistart.cpp">
+<node CREATED="1484797429160" ID="ID_959278184" MODIFIED="1495207457728" TEXT="gtk-lumiera.cpp">
 <node CREATED="1484797432999" ID="ID_1571358017" MODIFIED="1484797439067" TEXT="implementiert GUI-Plugin"/>
 <node CREATED="1484797442686" ID="ID_83446606" MODIFIED="1484797481709" TEXT="launchUI -&gt; erzeugt GUI-Thread"/>
 </node>
@@ -276,12 +278,12 @@
 <node CREATED="1484797512341" ID="ID_57994807" MODIFIED="1484797515712" TEXT="ruft darauf run()"/>
 <node CREATED="1484797517052" ID="ID_840628023" MODIFIED="1484797527271" TEXT="l&#xf6;st das sigTerm aus"/>
 </node>
-<node CREATED="1484797531482" FOLDED="true" ID="ID_1734603717" MODIFIED="1488423308072" TEXT="GuiLifecycle::run() -&gt; GtkLumiera::main">
+<node CREATED="1484797531482" FOLDED="true" ID="ID_1734603717" MODIFIED="1495207502959" TEXT="GtkLumiera::run() -&gt; uiManager.performMainLoop()">
 <node CREATED="1484797543593" ID="ID_143907787" MODIFIED="1484797547740" TEXT="erzeugt UiBus"/>
 <node CREATED="1484797548208" ID="ID_984623574" MODIFIED="1484797555083" TEXT="erzeugt WindowManager"/>
 <node CREATED="1484797557383" ID="ID_637078214" MODIFIED="1484797568569" TEXT="Gtk-Kit::run()"/>
 </node>
-<node CREATED="1484797573701" FOLDED="true" ID="ID_162958920" MODIFIED="1488423308072" TEXT="UiBus">
+<node CREATED="1484797573701" FOLDED="true" ID="ID_162958920" MODIFIED="1495207515202" TEXT="UiBus">
 <node CREATED="1484797576972" FOLDED="true" ID="ID_1159570219" MODIFIED="1488423308050" TEXT="erzeugt CoreService">
 <node CREATED="1484871312594" ID="ID_1351400025" MODIFIED="1484871320837" TEXT="erbt zwar von BusTerm"/>
 <node CREATED="1484871321473" ID="ID_112216780" MODIFIED="1487275489295" TEXT="hat aber keine connection">
@@ -321,7 +323,7 @@
 </html></richcontent>
 </node>
 </node>
-<node CREATED="1484797584483" FOLDED="true" ID="ID_290592673" MODIFIED="1488423308051" TEXT="dieser hat Member ">
+<node CREATED="1484797584483" FOLDED="true" ID="ID_290592673" MODIFIED="1495207514092" TEXT="dieser hat Member ">
 <node CREATED="1484797623574" ID="ID_277189073" MODIFIED="1484797625783" TEXT="Nexus"/>
 <node CREATED="1484797620495" ID="ID_1793464076" MODIFIED="1484797620495" TEXT="GuiNotificationService"/>
 </node>
@@ -1848,8 +1850,7 @@
       da&#223; die alte, obsolete Timeline zur&#252;ckgebaut ist
     </p>
   </body>
-</html>
-</richcontent>
+</html></richcontent>
 <icon BUILTIN="hourglass"/>
 </node>
 <node CREATED="1493853590149" ID="ID_1075149702" MODIFIED="1493853655203" TEXT="Race beim triggerShutdown">
@@ -1868,12 +1869,11 @@
       bevor die Notification-Facade ge&#246;ffnet werden konnte
     </p>
   </body>
-</html>
-</richcontent>
+</html></richcontent>
 </node>
 </node>
 </node>
-<node CREATED="1485551018975" FOLDED="true" ID="ID_1865473127" MODIFIED="1488423342658" TEXT="obsoletes Project &amp; Controller">
+<node CREATED="1485551018975" FOLDED="true" ID="ID_1865473127" MODIFIED="1495207303040" TEXT="obsoletes Project &amp; Controller">
 <node CREATED="1485551030086" ID="ID_1052165402" MODIFIED="1485551034969" TEXT="in GtkLumiera definiert"/>
 <node CREATED="1485551035413" ID="ID_1861899005" MODIFIED="1485551056342" TEXT="tats&#xe4;chlich im Panel (Basisklasse) gespeichert"/>
 <node CREATED="1485551056834" ID="ID_538186909" MODIFIED="1485551066884" TEXT="tats&#xe4;chlich nur im alten TimelinePannel gebraucht"/>
@@ -1961,7 +1961,7 @@
 <node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1485549049388" ID="ID_530209145" MODIFIED="1485562057742" TEXT="Problem: Aktionen binden">
 <linktarget COLOR="#a9b4c1" DESTINATION="ID_530209145" ENDARROW="Default" ENDINCLINATION="-17;-195;" ID="Arrow_ID_626063593" SOURCE="ID_1022779645" STARTARROW="None" STARTINCLINATION="9;270;"/>
 <icon BUILTIN="messagebox_warning"/>
-<node CREATED="1485549075929" FOLDED="true" ID="ID_1887127861" MODIFIED="1488423342658" TEXT="spezifische Aktionen">
+<node CREATED="1485549075929" FOLDED="true" ID="ID_1887127861" MODIFIED="1495207327780" TEXT="spezifische Aktionen">
 <node CREATED="1485549803366" FOLDED="true" ID="ID_1969698948" MODIFIED="1488423342541" TEXT="Fenster-Bindung">
 <node CREATED="1485549810780" ID="ID_71301392" MODIFIED="1485549822342" TEXT="Pop-Ups brauchen ein Vater-Fenster"/>
 <node CREATED="1485549828450" ID="ID_1089795419" MODIFIED="1485917553222">
@@ -2448,7 +2448,7 @@
 <linktarget COLOR="#8e2a4d" DESTINATION="ID_1909730752" ENDARROW="Default" ENDINCLINATION="190;-96;" ID="Arrow_ID_1543429248" SOURCE="ID_1507239589" STARTARROW="None" STARTINCLINATION="-103;109;"/>
 <icon BUILTIN="flag-yellow"/>
 </node>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1485549081728" ID="ID_1122969153" MODIFIED="1488672334405" TEXT="globale Aktionen">
+<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1485549081728" ID="ID_1122969153" MODIFIED="1495207337712" TEXT="globale Aktionen">
 <arrowlink COLOR="#824f68" DESTINATION="ID_826011549" ENDARROW="Default" ENDINCLINATION="-906;-1187;" ID="Arrow_ID_1373278707" STARTARROW="Default" STARTINCLINATION="870;255;"/>
 <icon BUILTIN="flag-yellow"/>
 <node CREATED="1488419973349" ID="ID_1855791702" MODIFIED="1488419978923" TEXT="brauche ein Konzept">
@@ -11052,7 +11052,7 @@
 <node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1485548830035" HGAP="5" ID="ID_1295711115" MODIFIED="1485548844056" TEXT="Nutzen" VSHIFT="17">
 <icon BUILTIN="bell"/>
 <node CREATED="1485548856639" ID="ID_1677281474" MODIFIED="1485548861522" TEXT="spezifische Aktionen">
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1485548894522" FOLDED="true" ID="ID_826011549" MODIFIED="1492444340662" TEXT="Problem: globale Aktionen">
+<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1485548894522" FOLDED="true" ID="ID_826011549" MODIFIED="1495207337712" TEXT="Problem: globale Aktionen">
 <richcontent TYPE="NOTE"><html>
   <head>