Revered as a humanitarian and scientist, Kerr was also blamed for the introduction of aggressive Africanized bees to the Americas.

An accomplished infectious disease scientist, Meyers spent the 1960s treating and studying the condition in central Africa.

He established the San Diego Zoo’s cryopreserved Frozen Zoo.

The 51-year-old University of Cape Town researcher had been suffering from depression, and his death has prompted reflection on being a black academic in South Africa.

He was known for his work on the gene-culture theory of human evolution and the Human Genome Diversity Project.

The Stanford University professor was known for his work on sex determination and courtship in flies.

The University of Illinois professor studied the role of estrogen in breast cancer.

Lincoln Brower, an American entomologist famous for his work to conserve the monarch populations of Mexico and the US, has passed away at age 86.

The Catholic University of America professor was also known for his summer workshops on the latest techniques.