Jaak Panksepp was born in 1943.
Jaak Juske was born in 1976.
Jaak Urmet was born in 1979.
Jaak Tamm was born in 1950.
Jaak Huimerind was born in 1957.
Jaak Jõerüüt was born on December 9, 1947.
Jaak Lipso was born on 1940-04-18.
Jaak van Wijck was born in 1870.
Jaak Uudmäe was born on 1954-09-03.
Jaak Põldma was born on 1988-05-16.
Jaak Aaviksoo was born on 1954-01-11.
Jaak Aab was born on 1960-04-09.