Since the early 1960`s I have been interested in chemical interactions between organisms in nature and, in particular, in the roles played by plant chemistry in the evolution and ecology of interactions between plants and herbivorous animals.
Pimentel published more than 700 studies and 40 books, and was a pioneering voice calling for protection of the environment and promoting sustainability. He was the first agricultural researcher to argue against DDT use before it was banned, and...