George M. Church Quotes
A few dozen changes to the genome of a modern elephant - to give it subcutaneous fat, woolly hair and sebaceous glands - might suffice to create a variation that is functionally similar to the mammoth. Returning this keystone species to the tundras could stave off some effects of warming.
Church, George M. "De-Extinction Is a Good Idea." Scientific American, vol. 309, no. 2, Aug. 2013, p. 12.
George McDonald Church is an American geneticist, molecular engineer, and chemist. He is the Robert Winthrop Professor of Genetics at Harvard Medical School, Professor of Health Sciences and Technology at Harvard and MIT, and a founding member of the Wyss Institute for Biologically Inspired Engineering. As of March 2017, Church serves as a member of the Bulletin of the Atomic Scientists' Board of Sponsors.