Edgar Krahn, Date of Birth, Place of Birth, Date of Death

Edgar Krahn

Estonian mathematician

Date of Birth: 01-Oct-1894

Place of Birth: Laiuse, Jõgeva County, Estonia

Date of Death: 06-Mar-1961

Profession: mathematician

Nationality: Estonia

Zodiac Sign: Libra

Edgar Krahn (1 October [O.S.
19 September] 1894 in Laiuse Parish – 6 March 1961) was an Estonian mathematician.Krahn was born in Sootaga (now Laiuse, Jõgeva County), Governorate of Livonia, as a member of the Baltic German minority.
He died in Rockville, Maryland, US. Krahn studied at the University of Tartu and the University of Göttingen. He graduated at Tartu in 1918, received his doctoral degree at Göttingen in 1926, with Richard Courant as his advisor, and his habilitation took place at Tartu in 1928. He is co-author of the Rayleigh–Faber–Krahn inequality.Krahn worked in Estonia, Germany, the UK, and the US in the following areas of pure and applied mathematics: Differential geometry Differential equations Bausparmathematik, which is distantly related to insurance mathematics Probability theory Gas dynamics Elasticity theory

Heinrich Riedel (1870–1932)
Description	Estonian photographer
Date of birth/death	1870 (in Julian calendar)	1932
Location of birth/death		Tartu
Work period	1890–1929
Work location	Tartu
Authority control	: Q27969111 VIAF: 2298157040165267040004 KulturNav: ba628b15-2959-48e4-8af1-d68d43bb31bf