Richard Alexander Fullerton Penrose Jr. (December 17, 1863 – July 31, 1931), better known throughout his career as R. A. F. Penrose Jr., was an American mining...

The Penrose Medal was created in 1925 by R.A.F. Penrose, Jr., as the top prize awarded by the Geological Society of America. Originally created as the...

mathematician, son of Lionel Penrose R. A. F. Penrose, Jr. (1863–1931), American mining geologist and entrepreneur Sir Roger Penrose (born 1931), English mathematical...

Secretary of Defense R. A. F. Penrose Jr., prominent geologist Donald J. Russell, former president, Southern Pacific Railroad Charles R. Schwab, founder of...

particular linear algebra, the Moore–Penrose inverse ⁠ A + {\displaystyle A^{+}} ⁠ of a matrix ⁠ A {\displaystyle A} ⁠, often called the pseudoinverse,...

Letters of R.A.F. Penrose, Jr., letter from R.A.F. Penrose, Jr. to R.A.F. Penrose Sr. dated June 4, 1906, pp. 412-413 "Our History". (n.d.). "Penrose House"...

steadily to 600 members until 1931, when a nearly $4 million endowment from 1930 president R. A. F. Penrose Jr. jumpstarted GSA's growth. As of December...

Church) from 1904 to 1911. Penrose was also a member of the First Presidency, serving as a counselor to church presidents Joseph F. Smith and Heber J. Grant...

Downing, a notorious late 19th-century outlaw Edward Landers Drew, Pinal County deputy sheriff buried in the Pearce Cemetery R. A. F. Penrose, Jr., part...

pp. 1124–1124. (1959). Allen, Clarence R., Leon T. Silver, and Francis Greenough Stehli. Agua Blanca Fault: A Major Transverse Structure Of Northern Baja...