On the 50th Anniversary of Georges Lemaître’s Death (1916-1966) Einstein and Lemaître: two friends, two cosmologies… My encounters with A. Einstein (by Georges Lemaître) By semscience|2016-06-05T01:00:10+00:00June 5th, 2016|Uncategorized|Comments Off on On the 50th Anniversary of Georges Lemaître’s Death (1916-1966)