Louis Graveure 1888–1965 Source: Wikimedia Commons About Louis Graveure English actor and baritone singer known as "The Mystery Man" People from the Same Era Floyd B. Olson 1891–1936 lawyer, politician, trade unionist Minneapolis Nicola Sacco 1891–1927 activist, laborer Torremaggiore Erich Martini 1880–1960 entomologist, physician, university teacher, zoologist Rostock Jonas Krikščiūnas 1880–1967 poet Kalniškiai Józef Daniec 1880–1958 military officer Bochnia Basilio Valdes 1892–1970 minister, physician, politician San Miguel