David Douglas — Scottish Environmentalist born on December 29, 1799,

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... (wikipedia)

A forest of these trees is a spectacle too much for one man to see.
The joy of viewing land, the hope of in a few days ranging through the long wished-for spot and the pleasure of again resuming my wonted employment may be readily calculated.