About David Douglas (botanist)
David Douglas was a Scottish botanist, best known as the namesake of the Douglas fir. He worked as a gardener, and explored the Scottish Highlands, North America and Hawaii, where he died. The standard author abbreviation Douglas is used to indicate this person as the author when citing a botanical name. At around the age of seven, he attended a school in a neighboring parish, where he became known for his tardiness and truancy, preferring to explore the countryside during his two-mile walk to class.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.