What did a recorder of Mockin' Bird Hill  famously pioneer?
Mockin' Bird Hill Mockin' Bird Hill is a song, written in 3/4 time, by George Vaughn Horton, and perhaps best known through recordings by Patti Page, Donna Fargo, and by Les Paul and Mary Ford in 1951.
Oliver G. Pike Oliver Gregory Pike, FZS, FRPS. (usually credited as Oliver G. Pike; 1 October 1877 – 17 October 1963) was a British naturalist, wildlife photographer, author and early nature documentary pioneer, specialising in the study of bird life. "His claim to significance," according to Bryony Dixon of BFI Screenonline, "lies in the groundbreaking techniques he developed to capture animals in their natural habitats and in the fact that he passed this knowledge on."