Yves-André Rocard (Vannes, 22 May 1903 – 16 March 1992 in Paris) was a French physicist who helped develop the atomic bomb for France.After obtaining a double doctorate in mathematics (1927) and physics (1928) he was awarded the professorship in electronic physics at the École normale supérieure in Paris.As a member of a Resistance group during the Second World War he flew to the UK in a small plane as part of a dangerous mission, and was able to provide British intelligence with invaluable information.