Scientist who published the textbook 'Biology' in 1987 which is used in high school curriculum world wide. He also conducted research on desert and coastal plants where he tried to determine how certain plants would adjust in environments with different salinity, temperature, and pH.
He earned his M.A. in zoology from the University of California, Los Angeles before attaining his Ph.D. in Plant Biology from the University of California, Riverside.
He did extensive research on the Mimosa plant and other legumes.
He resided in Redlands, California until his death.
He wrote about the theories of Charles Darwin.