Robert Connell Clarke

Robert Connell Clarke is acknowledged as a foremost world authority on hashish and hemp. His other works include "Marijuana Botany" and "Natural History of Cannabis" (University of Berkeley Press, Fall 2012). He is a founder of the International Hemp Association and has authored numerous IHA Journal studies and countless cannabis articles and photographs for magazines and books during past 35 years. Mel Frank Edited HASHISH! 1st and 2nd editions; author Marijuana Grower's Guide Deluxe and...See more