\documentclass{beamer}
+\usepackage{clean}
+
\usecolortheme{dove}
\usetheme{Singapore}
-\title[RSSS]{Monads for functional programming}
-%\subtitle{A review}
+\title[RSSS]{Monads for functional programming\\P.\ Wadler}
+\subtitle{Originally published in Springer's \emph{Program Design Calculi} in
+ $1993$}
\author[Lubbers]{M.~Lubbers~\inst{1}}
\institute[Radboud University]{%
\inst{1}%