CEO of U.S. Steel and chairman of the board of Marathon Oil John Walker – iron and steel industrialist Energy Walter Arnheim – Mobil executive and corporate and non-profit advisor Frederick Bausman E. W. Marland – oilman, founded what would become Conoco, also became the governor of Oklahoma William Mellon – co-founded Gulf Oil Transport Erik Buell – Buell Motorcycle Company Alexander Cassatt – Pennsylvania Railroad Louis Semple Clarke – steamboats John E. Connelly – Gateway Clipper Fleet Mike Fink – river boatman Robert Pitcairn – Pennsylvania Railroad Samuel Rea – Pennsylvania Railroad Finance John F. Donahue – chairman, Federated Investors Stanley Druckenmiller – hedge fund manager Thomas Marshall Howe – 19th-century politician Richard B. Mellon – banker, philanthropist Thomas Mellon – founded Mellon Financial David Tepper – businessman, hedge fund manager, philanthropist, and owner of the Carolina Panthers William Thaw – 19th-century banker James Lindenberg – founder of ABS-CBN Corporation Technology and communications Luis von Ahn - CAPTCHA inventor, Duolingo Founder William Bullock – printing press innovator Charlie Cheever – co-founder of Quora Brendan Eich – Mozilla, creator of JavaScript Caterina Fake – co-founder of Flickr and Hunch John P. Harris – theater owner Regis McKenna – high technology marketing guru Willard Rockwell – pioneer of Rockwell Intl. Richard Mellon Scaife – Tribune-Review Rich Skrenta – computer programmer George Westinghouse – electrical industry pioneer Mark Whitaker – CNN Worldwide chief Jamie Zawinski – hacker Consumer goods Peter Chartier (Chartiers Town and Tarentum) – fur trader 1734–43 David L. Clark H. J. Heinz II – CEO of H.J. Heinz Co. Henry J. Heinz – founder of H. J. Heinz Company Edgar J. Kaufmann – Kaufmann's Billy Mays – TV pitchman James Sinegal – Costco Patricia A. Woertz – ADM Other industries William D. Boyce – founder of Boy Scouts of America Dr. Herbert Boyer – co-founder of Genentech John Baptiste Ford – PPG Industries Ed Grier – Disneyland Joseph A. Hardy III – 84 Lumber Bob Stupak – Vegas Stratosphere Labor David J. McDonald – president of steelworkers union Theodore Schaffer – president of the Amalgamated Association of Iron, Steel, and Tin Workers Fannie Sellins – union organizer Joseph Yablonski – UMW Joseph "Chip" Yablonski – UMW attorney Kenneth Yablonski – attorney Religion Catherine Anne Cesnik (1942–1969), Catholic nun who was murdered Cardinal Daniel DiNardo – archbishop of Galveston-Houston Thomas Dolinay – archbishop Joseph R. Lamonde Cardinal Adam Maida –