Harald Keres
From Infogalactic: the planetary knowledge core
Harald Keres (15 November [O.S. 2 November] 1912, Pärnu – 26 June 2010) was an Estonian physicist [1] considered to be the father of the Estonian school of relativistic gravitation theory.[2] In 1961 Keres became a member of the Estonian Academy of Sciences in the field of theoretical physics.[2] In 1996 Keres was awarded the Order of the National Coat of Arms, Class III.[3]
Keres was the elder brother of chess grandmaster Paul Keres.[3]