. >>> we recall luther burbeck after the break. wherewithal >>> tonight on a second look we're looking at inventions and invasions all based right here in the bay area. and with our history of the past half century we're inclined to think of most of those invasions as technological. there's actually a man who lived in the north bay who revolutionized agriculture. his name was luther berk. >> reporter: early in the century when santa clara was a little town in the midst of a huge agriculture valley. when san jose was a growing village with scarcely a high rise. when los gatos was a few sky rises and a few dozen houses. most people derived their living from the land one way or another. and american farms were beginning to produce the most abundant crops in the world. thanks in part to luther burbeck. he had a voracious thirst to make things grow. luther burbeck was a big fan of darwin seary of evolution. but he thought you did not have to wait for years for a plant to evolve you could make it grow right now. at hem home homestead you