David J. Brower

There is no known author named 'David J. Brower'; the query likely refers to David Ross Brower (1912–2000), a pioneering environmental activist and leader who helped shape the modern environmental movement through his work with the Sierra Club, Friends of the Earth, and Earth Island Institute. He was not primarily an author of literary genres but wrote three autobiographies and was profiled in numerous magazines.

Berkeley, California, USA Jul 1, 1912 Wikipedia
Autobiography Environmental Nonfiction