THE AUTHORS 



ED F. WICKER, Plant Pathologist, is leader of research work unit 

 INT-2205, Forestry Sciences Laboratory, Moscow, Idaho. He is 

 responsible for research investigations on the biology and ecology 

 of forest tree diseases. Dr. Wicker joined the Intermountain Sta- 

 tion staff in 1956. He received the Bachelor of Science degree in 

 forestry (1959) and the Doctor of Philosophy degree in plant path- 

 ology (1965) from Washington State University. He is recognized 

 as a specialist on the biology, ecology, and control of dwarf mistle- 

 toes and biological control of forest tree diseases. During 1970- 

 1971, he was on a 1-year work assignment in Europe to investigate 

 biological control agents for the blister rust disease of white pines. 

 Dr. Wicker received a Japanese Government Research Award in 

 1974 for 6 months' work on rusts of white pines in Japan. 



THOMAS H. LAURENT, Plant Pathologist, is assigned to the Insect 

 and Disease Control Unit, Region 10, at Juneau, Alaska. He is 

 responsible for forest disease survey and control in all of Alaska. 

 Mr. Laurent joined the R-10 staff in 1974, having transferred from 

 the Pacific Northwest Forest and Range Experiment Station's 

 Forestry Sciences Laboratory, Juneau, with which he had been 

 affiliated since 1956. He received the Bachelor of Science degree 

 in forestry (1949) from the University of Idaho and the Master of 

 Science degree in botany (1962) from the University of Montana. 



SPENCER ISRAELSON, Forestry Technician, is assigned to the 



Timber Management Unit, Stikine Area, Tongass National Forest, 

 at Petersburg, Alaska. His principal duties are reforestation and 

 timber stand improvement. Mr. Israelson is a native Alaskan 

 with more than 30 years' experience with the Forest Service. Eleven 

 of those years were spent as skipper of the Chugach, transporting 

 sales inspection and layout crews through out westward and south- 

 eastern Alaska. 



