Orest Danilovich Khvolson or Chwolson (‹See Tfd›Russian: Орест Данилович Хвольсон) (November 22 (N.S. December 4), 1852 – May 11, 1934) was a Russian and later Soviet physicist and honorary member of the Soviet Academy of Sciences (1920). He is most noted for being one of the first to study the gravitational lens effect.[1]
- ^ Sauer, Tilman (2010). "A brief history of gravitational lensing". Einstein Online. Vol. 4. p. 1005. Archived from the original on 2009-06-09. Retrieved 2008-08-08.