Botanist
1. Joseph Dalton Hooker (1817)
Botanist
Close friend of Charles Darwin who was one of England's most renowned botanists. Most notably he was the Director of the Royal Botanical Gardens, Kew, for twenty years.
2. Douglas Houghton Campbell (1859)
Botanist
Botany professor who was one of the first 15 founding professors of Stanford University. His 1895 book The Structure and Development of Mosses and Ferns is the authoritative work on...
3. Niels Hansen (1866)
Botanist
Botanist who adapted hundreds of species of plants to thrive in the arid conditions of America's Great Plains. He released his first work on the breeding of fruits in 1893....
4. Ralph Randles Stewart (1890)
Botanist
American botanist who spent his career studying plants in Pakistan. In his career he collected over 30,000 plant specimens from India, Kashmir, Iran, and other middle eastern nations.
5. Ed Rosenthal (1944)
Botanist
Botanist and horticulturist who is a proponent for the legalization of cannabis. He advocated the Cole Memorandum in 2017 which allowed states to legalize the drug.
6. Jorge Cervantes (1953)
Botanist
Prolific cannabis expert known for his 2015 book The Cannabis Encyclopedia, for which he won the Gold Benjamin Franklin Award from the Independent Book Publishers Association. He has been a prolifically...