Roman Catholic Bishop of Pittsburgh Scientists Victor Ambros (born 1953), developmental biologist who discovered the first known microRNA (miRNA). Henryk Arctowski (1871–1958), scientist, oceanographer and Antarctica explorer Julius Axelrod (1912–2004), biochemist Paul Baran (1926–2011), Internet pioneer, one of the developers of packet-switched networks along with Donald Davies and Leonard Kleinrock Mieczysław G. Bekker (1905–1989), engineer and scientist; inventor of the lunar rover Karol J. Bobko (born 1937), former NASA astronaut William J. Borucki In charge of NASA Kepler mission. Jozef Cywinski (born 1936), biomedical engineer; developed several first-on-the market electro-medical devices like cardiac stimulators pacemakers, train-of-four nerve stimulators, PACS, EMS, TENS and Veinoplus calf pump stimulators Ewa Deelman, computer scientist Stanley Dudrick (1935–2020), surgeon behind total parenteral nutrition Elonka Dunin (born 1958), game developer, writer, and amateur cryptographer; maintains a website dedicated to the Kryptos sculpture/cipher located at the CIA's headquarters Andrzej Ehrenfeucht (born 1932), mathematician and computer scientist; formulated the Ehrenfeucht–Fraïssé game and Ehrenfeucht–Mycielski sequence Kazimierz Fajans (1887–1975), pioneer in the science of radioactivity; created Fajans' rules; discovered the element protactinium Christopher Ferguson (born 1961), former NASA astronaut Richard Feynman (1918–1988), physicist; 1965 Nobel Prize in Physics Casimir Funk (1884–1967), biochemist, generally credited with the first formulation of the concept of vitamins in 1912 Michael Genesereth (born 1948), logician and computer scientist Walter Golaski (1913–1996), engineer Joanna Hoffman, part of the original Apple Macintosh developer team; acted as the team's only marketing person for more than a year; wrote the first draft of the Macintosh User Interface Guidelines Roald Hoffmann (born 1937), chemist and writer, Nobel Prize winner (1981) Josef Hofmann (1876–1957), inventor of windshield wipers, shock absorbers for vehicles, and oil burning furnace Leonid Hurwicz (1917–2008), economist, Nobel Prize winner (2007) Tomasz Imieliński (born 1954), computer scientist, most known in the areas of data mining, mobile computing, data extraction, and search engine technology Christopher Jargocki (born 1944), physicist and author Paul G. Kaminski, behind stealth technology. Hilary Koprowski (1916–2013), virologist and immunologist Alfred Korzybski (1879–1950), developed the theory of general semantics Richard Kowalski (born 1963), astronomer Robert Kowalski (born 1941), logician, and computer scientist Stephanie Kwolek (1923–2014), inventor of kevlar Gerhard Lenski (1924–2015), sociologist known for contributions to the sociology of religion, social inequality, and ecological-evolutionary social theory Richard Lenski (born 1956), evolutionary biologist, proved evolution with the E. coli long-term evolution experiment Cass Lewart, electrical engineer and author Janusz Liberkowski (born 1953), winner of the first season