David Gessner is an American essayist, memoirist, nature writer, editor, and cartoonist.Gessner was born in Boston, Massachusetts, and grew up in Worcester, Massachusetts. He attended Harvard College where he worked at the Harvard Crimson drawing political cartoons, most notably a drawing of Ronald Reagan urinating on an unemployed man in the gutter called "The Trickle Down Theory." He graduated in 1983.