I have taught history on the high school and college levels, and am or have been a lecturer at the Smithsonian, The National Institutes of Health, and numerous colleges and universities, mostly on science fiction and technology subjects.
Jack L. Chalker...it is in the very fundamentals of evil that one always condemns it when they see it but rationalizes it when they do it.
Jack L. ChalkerI have long been active in and supportive of conservation and historical preservation causes.
Jack L. Chalker