Nicholas Culpeper

English botanist, herbalist, physician and astrologer born in 1616.
Charles Naudin

French naturalist & botanist born in 1815. Influenced Darwin, Mendel, & modern genetics.
Isabella Abbott

Native Hawaiian educator, phycologist, and ethnobotanist born in 1919. Discovered over 200 algae species.
Carl Linnaeus

Swedish botanist, zoologist, & physician who formalized the modern system of naming organisms.