Ralph Koltai CBE, RDI is a German-born, naturalised British stage designer, who worked as associate designer of the Royal Shakespeare Company, and latterly as a sculptor.
Koltai was born in 1924, in Berlin, Germany, and moved to England in 1939. He worked for British Intelligence at the Nuremberg Trials and alter studied at the Central School of Art and Design.
He appeared as a "castaway" on the BBC Radio programme Desert Island Discs on 23 August 1998.
In 2010 his metal collage sculptures were exhibited at the Royal National Theatre.
He was made a Commander of the Order of the British Empire (CBE) in 1983 and was recognised as a Royal Designer of Industry (RDI) by the Royal Society of Art.