Ejnar Hertzsprung

Ejnar Hertzsprung
Ejnar Hertzsprung
	Hertzsprung (right) and Karl Schwarzschild in front of the Göttingen Observatory building (1909)
Born	8 October 1873; Copenhagen, Denmark
Died	21 October 1967 (aged 94); Roskilde, Denmark
Alma mater	Copenhagen Polytechnic (DTU)
Known for	Hertzsprung gap; Hertzsprung–Russell diagram
Spouse	Henriette Mariette Augustine Albertine Kapteijn
Parents	Severin Carl Ludvig Hertzsprung (father); Henriette Christiane Charlotte Frost (mother);
Awards	Bruce Medal (1937); Gold Medal of RAS (1929)
	Scientific career
Fields	Chemistry, Astronomy
Institutions	Leiden Observatory

Ejnar Hertzsprung (Danish: [ˈɑjnɐ ˈhɛɐ̯tsˌpʁɔŋ]; 8 October 1873 – 21 October 1967) was a Danish chemist and astronomer.

Ejnar Hertzsprung
Hertzsprung (right) and Karl Schwarzschild in front of the Göttingen Observatory building (1909)
Born	(1873-10-08)8 October 1873 Copenhagen, Denmark
Died	21 October 1967(1967-10-21) (aged 94) Roskilde, Denmark
Alma mater	Copenhagen Polytechnic (DTU)
Known for	Hertzsprung gap Hertzsprung–Russell diagram
Spouse	Henriette Mariette Augustine Albertine Kapteijn
Parents	Severin Carl Ludvig Hertzsprung (father) Henriette Christiane Charlotte Frost (mother)
Awards	Bruce Medal (1937) Gold Medal of RAS (1929)
Scientific career
Fields	Chemistry, Astronomy
Institutions	Leiden Observatory