Igor Dolgachev

Igor V. Dolgachev (born 7 April 1944^[1]) is a Russian–American mathematician specializing in algebraic geometry. He has been a professor at the University of Michigan since 1978. He introduced Dolgachev surfaces in 1981.^[2]

Igor Dolgachev
Born	(1944-04-07) April 7, 1944 (age 81)
Nationality	American
Alma mater	Moscow State University (Ph.D.)
Known for	Dolgachev surface
Scientific career
Fields	Mathematics
Institutions	Michigan (1978–)
Thesis	On the purity of the degeneration locus of families of curves (1969)
Doctoral advisor	Igor Shafarevich

Dolgachev completed his Ph.D. at Moscow State University in 1970, with thesis On the purity of the degeneration locus of families of curves written under the supervision of Igor Shafarevich.^[3]