Namesakes
Ivar Lykke
(m) 1872-1949 
Norwegian Prime Ministers 1926-1928
Birger Holmqvist
(a.k.a. Ivar) (m) 1900-1989
Olympic Medalists 1928 ice hockey (silver)
Ivar Giaever
(m) 1929-
Nobel Prize Winners 1973 (physics)
Notable Scientists and Inventors
Ivar Stukolkin
(m) 1960-
Olympic Medalists 1980 swimming - 400 m freestyle; swimming - 4x200 m freestyle relay (bronze/gold)