He was a biologist who wrote one of the best-selling popular science books of all time, was quite famous throughout the 1970's and early 1980's and his beliefs and forecasts were very influential at one time.
Pretty much everything he predicted was wrong. https://www.smithsonianmag.com/innovation/book-incited-worldwide-fear-overpopulation-180967499/
Pretty much everything he predicted was wrong. https://www.smithsonianmag.com/innovation/book-incited-worldwide-fear-overpopulation-180967499/