Tuesday will mark 56 years since the death of environmentalist, author, and marine biologist Rachel Carson, who is well-known for fighting against pesticides.

Carson was born on May 27, 1907, in the U.S. state of Pennsylvania and grew up on a farm where she observed the natural world and the wildlife that surrounded her.

At 22, she graduated from the Pennsylvania College for Women and studied at the Woods Hole Marine Biological Laboratory before attending John Hopkins University where she earned a post-graduate degree in zoology.

After her master’s in 1932, Carson intended to proceed to a doctorate degree

Read more: PROFILE - Rachel Carson: Conservationist who fought pesticides