Halfdan Christensen died in 1950.
Halfdan Christensen was born in 1873.
Halfdan Bryn died in 1933.
Halfdan Hansen died in 1953.
Halfdan Schjøtt died in 1974.
Halfdan Egedius died in 1899.
Halfdan Cleve died in 1951.
Halfdan Holth died in 1950.
Halfdan Sundt died in 1951.
Halfdan Bjølgerud died in 1970.
Halfdan Lehmann died in 1908.
Halfdan Strøm died in 1949.
Halfdan Magnus Mustad died in 1967.