Albert Arnold "Al" Gore, Jr. is the former 45th Vice President of the United States who served from 1993 to 2001 under President Bill Clinton. He is currently an author, businessperson, and American environmental activist who starred in the...

Francisco Alves Mendes Filho, better known as Chico Mendes, was a Brazilian rubber tapper, trade union leader and environmentalist. He fought to preserve the Amazon rainforest, and advocated for the human rights of Brazilian peasants and in...

Ken Saro-Wiwa was a Nigerian author, journalist, government official and political organizer who was brutally executed by the Nigerian dictatorship in response to a very successful campaign to challenge that government, Shell Oil Co. and th...

Dame Jane Morris Goodall, is a British primatologist, ethologist, anthropologist, and UN Messenger of Peace. Considered to be the world's foremost expert on chimpanzees, Goodall is best known for her 45-year study of social and family inter...

Dian Fossey was an American zoologist, primatologist, and anthropologist who undertook an extensive study of gorilla groups over a period of 18 years. She studied them daily in the mountain forests of Rwanda, initially encouraged to work th...

Sir David Frederick Attenborough is an English broadcaster and naturalist. His career as the face and voice of natural history programmes has endured for 60 years. He is best known for writing and presenting the nine Life series, in conjunc...

Olivier Messiaen was a French composer, organist and ornithologist, widely regarded as one of the major composers of the 20th century. His music is rhythmically complex (he was interested in rhythms from ancient Greek and from Hindu sources...

Rachel Louise Carson was an American marine biologist and conservationist whose book Silent Spring and other writings are credited with advancing the global environmental movement. Carson began her career as an aquatic biologist in the U...

Charles Francis Richter , was an American seismologist and physicist. Richter is most famous as the creator of the Richter magnitude scale which, until the development of the moment magnitude scale in 1979, quantified the size of earthquake...

Alfred Lothar Wegener was a German polar researcher, geophysicist and meteorologist. During his lifetime he was primarily known for his achievements in meteorology and as a pioneer of polar research, but today he is most remembered as th...

David Grandison Fairchild was an American botanist and plant explorer. Fairchild was responsible for the introduction of more than 200,000 exotic plants and varieties of established crops into the United States, including soybeans, pistachi...

Alice Hamilton was an American physician, research scientist, and author who is best known as a leading expert in the field of occupational health and a pioneer in the field of industrial toxicology. Subsequent to her graduation from the...

Karl Blossfeldt was a German photographer, sculptor, teacher and artist who worked in Berlin, Germany. He is best known for his close-up photographs of plants. He worked as an apprentice in an artistic form of iron casting at the iron found...

Scientist and early advocate for industrial uses for farm crops (bio-energy). Carver earned a B.S. from the Iowa Agricultural College in 1894 and an M.S. in 1896. He became a member of the faculty of Iowa State College and then Tuskegee Ins...

Daniel Elmer Salmon was a veterinary surgeon. He earned the first D.V.M. degree awarded in the United States, and spent his career studying animal diseases for the U.S. Department of Agriculture. He gave his name to the Salmonella genus of...