1957
Leopold Löwenheim, German mathematician and logician (born 1878)
Leopold Löwenheim, German mathematician and logician (born 1878)
Leopold Löwenheim, German mathematician and logician (born 1878)
German mathematician
Leopold Löwenheim, German mathematician and logician (born 1878)
Leopold Löwenheim, German mathematician and logician (born 1878)