The University of South Alabama professor, who died of complications related to COVID-19, reconstructed the historic range of plants that once grew in the southeastern US.

The Woods Hole Oceanographic Institution scientist developed telemetry devices to study animals’ physiology in the wild.

A cancer researcher with a talent for leadership, Marks turned the Memorial Sloan Kettering Cancer Center into one of the world’s foremost oncology research institutions.

The University of Pittsburgh scientist, who was studying SARS-CoV-2, was shot to death in his home.

The taxonomist described more than 800 species of fish.

The Australian physicist-turned-biologist served as a top scientist in the UK government and president of the Royal Society, among other prestigious appointments.

The McGill University paleontologist, who died from COVID-19, was known for using multidisciplinary methods to explore the origins of amphibians, birds, and mammals.

Kennedy, who succumbed to COVID-19, served as commissioner of the FDA and editor-in-chief of Science, and is credited with helping to transform Stanford into a top research university.

Paul Matewele, who died from COVID-19, was known for discovering dangerous microbes on surfaces people touch every day.