--- a/slides/slides01.tex	Thu Nov 13 21:53:20 2025 +0000
+++ b/slides/slides01.tex	Fri Nov 14 10:57:21 2025 +0000
@@ -324,7 +324,7 @@
 
 Installation problems:
 \begin{itemize}
-\item Zoltan Meszaros (\texttt{\small{}zoltan.meszaros@kcl.ac.uk})  
+\item Zoltan Meszaros (\texttt{\small{}zoltan.meszaros@kcl.ac.uk}, Linux)  
 \item Zishan Rahman (\texttt{\small{}zishan.rahman@kcl.ac.uk}, Linux)
 \item Bofan Zhang (\texttt{\small{}bofan.zhang@kcl.ac.uk}, MacOSX)
 \item Aidan Dakhama (\texttt{\small{}aidan.dakhama@kcl.ac.uk}, Linux)  
@@ -432,6 +432,21 @@
 \end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\begin{frame}[c]
+
+\begin{center}  
+\begin{bubble}[9cm]
+\includegraphics[scale=0.4]{carmack.png}
+\end{bubble}
+\end{center}
+
+{\footnotesize $^*$ lead programmer of Wolfenstein 3D, Doom, Quake and their sequels}
+
+\end{frame}
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+  
+
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 \begin{frame}[c, fragile]
@@ -967,7 +982,7 @@
 \frametitle{Conclusion for Today}
 
 \begin{itemize}
-\item This year we will be using Scala 3 with the \texttt{scala} REPL!\\ 
+\item This year we will be using Scala 3 with the standard \texttt{scala} REPL!\\ 
   \medskip
 \item {\bf\url{https://www.scala-lang.org/}}\bigskip