Guglielmo Marconi · Albert Einstein Were Guglielmo Marconi and Albert Einstein alive at the same time? Yes. Guglielmo Marconi and Albert Einstein were alive at the same time for 58 years, from 1879 to 1937. Guglielmo Marconi was 4 when Albert Einstein was born.Albert Einstein was 58 when Guglielmo Marconi died, aged 63. Guglielmo MarconiItalian inventor and radio pioneerBorn 25 April 1874 · died 20 July 1937, aged 63Albert EinsteinGerman-born theoretical physicistBorn 14 March 1879 · died 18 April 1955, aged 76 Karl MarxVladimir LeninGuglielmo MarconiAlbert EinsteinAdolf HitlerRonald ReaganDonald TrumpVladimir Putin Guglielmo Marconi and Albert Einstein in bold, with some of their best-known contemporaries. Drag across to see the age each reached in any year. Faded ends mark uncertain dates.