Hummingbirds by Greenewalt, Crawford H. (Hallock); Forword By Dean Amadon - 1960

New York: Doubleday & Company / American Museum Of Natural History, 1960. 1st Edition 1st Printing. Hardcover. Fine/Slipcase. Color Photographs By The Author/ Drawings By Dale Astle. X, (Iii), 250, Xviii-Xxi. Green Leather, Gilt, With Mounted Color Photograph. #40 Of A Limited Edition Of 500 Copies, One Of A Small Number Of Copies With An Extra Color Plate (Not In The Book) Tipped Onto A Loose Sheet, Also A Loose Large Photographic Sheet With Three B/W Images Of The Author And His Equipment. With The Original Slipcase With A Cover Label On Which Is Affixed Another Image Duplicating That On The Cover Of The Book; The Slipcase And Affixed Plate Are Worn, Almost Split Along One Rear Edge, Small Frays To Paper At All Corners, But Intact And Solid. Crawford Hallock Greenewalt (1902 - 1993) Was A Member Of The Dupont Family, Who Earned A Bachelor Of Science Degree In Chemical Engineering From Massachusetts Institute Of Technology In 1922. As A Chemical Engineer He Worked His Way Up The Dupont Company Heirarchy And Served As President Of The Dupont Company From 1948 To 1962 And As Board Chairman From 1962 To 1967. While At Dupont, Greenewalt Was A Key Figure In Their Development Of Nylon And Also Their Nuclear Power Program. He Was Awarded The Lavoisier Medal For Technical Achievement By The Dupont Company In 1991. His Widely Varied Interests Included Ornithology And High-Speed Photography Via His Friend Harold E. "Doc" Edgerton. Greenewalt Published This Book Of 70 High-Speed Photographs Of Hummingbirds In 1960; It Is Remarkable For Its Innovations Hi-Speed Live-Motion Photography, But Also For His Physical Analysis Of Hummingbird Flight Motion And Hummingbird Coloration Phenomena. In 1968 He Published Bird Song: Acoustics And Physiology. He Became A Life Member Of The Mit Corporation In 1951, And Emeritus In 1977. He Also Served As President Of The American Philosophical Society. Greenewalt Is The Subject Of The Film The Uncommon Man: Crawford H. Greenewalt, Produced By The Atomic Heritage Foundation.