Henry Paul Hansen

Henry Paul Hansen (April 28, 1907 – October 8, 1989) was an American palynologist known largely for his pioneering work on the vegetation history of the North American Pacific Northwest and for his time as the dean of Graduate Studies at Oregon State University from 1949 - 1972. Henry Hansen was born on the April 28, 1907 in La Crosse, Wisconsin to parents Andrew and Emma Petersen Hansen. In 1939 he was married to Helen Rivedal and had five child... more

Henry Paul Hansen (April 28, 1907 – October 8, 1989) was an American palynologist known largely for his pioneering work on the vegetation history of the North American Pacific Northwest and for his time as the dean of Graduate Studies at Oregon State University from 1949 - 1972. Henry Hansen was born on the April 28, 1907 in La Crosse, Wisconsin to parents Andrew and Emma Petersen Hansen. In 1939 he was married to Helen Rivedal and had five children with her before she died in 1972. He later married Ethel Welch in 1979. His Bachelor of Sciences degree was obtained in 1930 from the University of Wisconsin–Madison where he continued studying until he was awarded his M.Sc in 1931. From Wisconsin Henry Hansen moved to the University of Washington in 1935 where his thesis focused on the pollen analysis from bogs in the Puget Lowlands of Washington. Henry Hansen began teaching at Oregon State University in 1939 as an instructor. His research continued throughout his time there, including... less