I E Irodov's problems in general physics is the book referred to as Irodov in India among students who sincerely prepare for one of the toughest exam in the world - IIT JEE.
Igor Fokin died in 1996.
Igor Grabar died in 1960.
Igor Bondarevsky died in 1979.
Igor Yaroslavich died in 1060.
Igor Gorin died in 1982.
Igor Rudakov died in 1980.
Igor Markevitch died in 1983.
Igor Veselkin died in 1997.
Igor Demidov died in 1946.
Igor Akhremchik died in 1990.
Igor Polyakov died in 2008.