diff --git a/ptbposter/ptbposter-doc-1.pdf b/ptbposter/ptbposter-doc-1.pdf
index f866d83c3fd37f154872609920384ed17aa373b9..9eec50edd0a75485556e4f2d92164354d74ac056 100644
Binary files a/ptbposter/ptbposter-doc-1.pdf and b/ptbposter/ptbposter-doc-1.pdf differ
diff --git a/ptbposter/ptbposter-doc-2.pdf b/ptbposter/ptbposter-doc-2.pdf
index 9d29949d99d32dc599973af7af644e46cdf841bf..73e2d4a68e9d763a5b0ea7a353037b66609224d0 100644
Binary files a/ptbposter/ptbposter-doc-2.pdf and b/ptbposter/ptbposter-doc-2.pdf differ
diff --git a/ptbposter/ptbposter-doc-2.tex b/ptbposter/ptbposter-doc-2.tex
index ee6357815f9c799d61667afb586858d3553637fe..e2eb07c03e6e35cae71db76632cab7cff8f24fce 100644
--- a/ptbposter/ptbposter-doc-2.tex
+++ b/ptbposter/ptbposter-doc-2.tex
@@ -33,7 +33,8 @@ Anleitung.}
 \section{Makros}
 
 \begin{itemize}
-  \item \verb|\centerTitel|: Den Titel zentrieren.
+  \item \verb|\centerTitel|: Den Titel zentriert setzen.
+  \item \verb|\centerAuthors|: Die Autoren zentriert setzen.
   \item \verb|\boldTitel|: Im Titel fette Schriftstärke verwenden.
   \item \verb|\scaleFontSizes|: Skaliert alle Schriftgrößen im Textbereich um
   den angegebenen Wert. Beispiel: Mit \verb|\scaleFontSizes{1.04}| wird der
diff --git a/ptbposter/ptbposter.cls b/ptbposter/ptbposter.cls
index 5977a1c7ec2cc21d42b3556e4d652a7c830f3c5c..2309ebbd9aae87f33f6a59b18dc92b566898932c 100644
--- a/ptbposter/ptbposter.cls
+++ b/ptbposter/ptbposter.cls
@@ -4,7 +4,7 @@
 
 \NeedsTeXFormat{LaTeX2e}[1999/12/01]
 \ProvidesClass{ptbposter}
-    [2017/10/27 v0.6b PTB-Poster-Klasse (RN)]
+    [2017/10/27 v0.6c PTB-Poster-Klasse (RN)]
     
 \newif\ifPTB@useCMYK \PTB@useCMYKfalse % vorerst
 
@@ -158,6 +158,8 @@
 
 \newcommand*\PTB@title@justification{\relax}
 \newcommand*\centerTitel{\global\let\PTB@title@justification=\centering}
+\newcommand*\PTB@authors@justification{\relax}
+\newcommand*\centerAuthors{\global\let\PTB@authors@justification=\centering}
 \newcommand*\PTB@title@series{\relax}
 \newcommand*\boldTitel{\global\let\PTB@title@series=\bfseries}
 
@@ -285,7 +287,7 @@
   \PTB@tempdima=-0.172\PTB@scale@base
   \def\and{, }%
   \put(\PTB@leftmargin,\PTB@tempdima){\parbox[b]{\PTB@framewidth}{% Autoren
-    \sffamily\authorFontSize\@author}}%
+    \PTB@authors@justification\sffamily\authorFontSize\@author}}%
   % hier wird \@thanks gefüllt
   \PTB@tempdima=0.00168208578994\PTB@scale@base
   \linethickness{\PTB@tempdima}\color{PTBcolor}%