Edgar Arthur Singer, Jr. (November 13, 1873 - April 4, 1954/1955) was an American philosopher. He taught as a professor at the Pennsylvania University (1909-1943). His pupils included Henry Bradford Smith and C. West Churchman Wikipedia
The definitive Wikipedia entry for Edgar A. Singer Jr.. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Edgar_A%2e_Singer%2c_Jr%2e