The father of director Gun Halldrsdttir and psychonaut Timothy Leary are not from the same country.
Halldr Kiljan Laxness (] ; born Halldr Gujnsson; 23 April 1902  8 February 1998) was a twentieth-century Icelandic writer. 
Timothy Francis Leary (October 22, 1920  May 31, 1996) was an American psychologist and writer known for advocating the exploration of the therapeutic potential of psychedelic drugs under controlled conditions. 
 Her father was writer and 1955 Nobel prize winner Halldr Laxness, while her mother was writer and textile designer Auur Laxness. 
