He has written many books and has also been a contributor on others with his photographs. He is constantly working in his Norwegian Shore project. He is also well known for his pinhole camera photos.
Photography and cinematography, California State University Los Angeles, 1969
MS, Ph. D., Entomology, University of California Davis, 1971, 1974
Post-doctoral, Molecular and Cell Biology, University of Houston, Texas, 1975
Post-doctoral, Cell Biology, City of Hope National Medical Center, 1976
Solo exhibitions
Smithsonian National Museum of Natural History, Washington D.C., 1980
Creative Arts Center, Fargo North Dakota, 1980, 1981
City of Hope National Medical Center, Duarte, CA., 1982
Oslo Botanical Garden, 1998
Jeløy Naturhus, Norway, 1998
Agder Naturmuseum og Botanisk Hage, Norway, 1998
Norges Landbrukshøgskole, Norway, 1998
National Zoological Park, Washington D.C. 2000
Fotografiens hus, Norway, Oct. 26 - Nov. 15, 2000 "A long time to see"
(including site installations at Selby Botanical Gardens, Sarasota FL., Chicago Botanic Garden, Chicago IL., Houston Museum of Natural History, Houston TX., etc.)
