All articles starting with R
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Rally raid
Rally raid is a form of off-road motorsport in which competitors cover long distances over natural terrain, navigating from a roadbook rather than a pre-driven course.
Rally Sweden
Rally Sweden, first held in 1950 as the Rally to the Midnight Sun, is the World Rally Championship's only snow-and-ice round, based since 2022 in Umeå, Sweden.
Rallybio Corporation
Rallybio Corporation was a clinical-stage biotechnology company in New Haven, Connecticut, founded in 2018 to develop rare disease treatments and taken public on Nasdaq in 2021.
Rallycross
Rallycross: mixed-surface car racing on tarmac-plus-gravel circuits with the Joker Lap rule. First held 4 February 1967 at Lydden Hill, Kent; first winner Vic Elford in a Porsche 911; FIA World RX ran there until 2017, with a 2026 FIA Rallycross World Cup in Jakarta.
Rallycross car classes
Rallycross car classes are the FIA's regulated categories that group rallycross cars of similar performance and cost on mixed tarmac and gravel circuits, topped by the RX1 class and including RX3, RX4, and RX5.
Rallye Deutschland
Rallye Deutschland (ADAC Rallye Deutschland), German WRC round from 2002, asphalt rally around Trier with Mosel vineyard stages, Baumholder Panzerplatte military stages, and Saarland roads; Loeb record nine wins; dropped from WRC calendar in 2020.
Rallye Sanremo
Rallye Sanremo (Rally di Sanremo), an Italian tarmac rally first held in 1928 in Sanremo, Liguria; former WRC round (1988-2003), now CIAR finale and FIA European Rally Trophy event run each October by Automobile Club del Ponente Ligure.
Rallying
Rallying: timed motorsport on closed public-road special stages, driver plus co-driver with pace notes, lowest cumulative time wins. Term from 1911 Monte Carlo Rally; WRC top class Rally1, 2026 calendar 14 rounds, Ogier and Loeb nine titles each.
Raloxifene
Raloxifene (Evista), a benzothiophene SERM taken orally at 60 mg daily, treats and prevents postmenopausal osteoporosis and reduces invasive breast cancer risk; unlike tamoxifen it spares the endometrium but raises venous thromboembolism risk.
Ralph A. Bradley
Ralph A. Bradley, also known as Ralph Allan Bradley, was a Canadian-born statistician who co-created the Bradley–Terry model for paired comparisons and led the American Statistical Association in 1981.
Ralph A. DeFronzo
Ralph A. DeFronzo is an American physician-scientist who proved insulin resistance in type 2 diabetes, invented the euglycemic insulin clamp, and led U.S. development of metformin.
Ralph A. Logan
Ralph A. Logan was a semiconductor device researcher at Bell Laboratories who held at least 21 US patents on semiconductor lasers and integrated optics from 1976 to 1991.
Ralph A. Nixon
Ralph A. Nixon is an American physician-scientist studying Alzheimer's disease, professor at NYU Grossman School of Medicine and director of the Center for Dementia Research since 1997.
Ralph Abercromby
Sir Ralph Abercromby (1734–1801), British lieutenant-general of the French Revolutionary Wars, led the West Indies, Ireland, Helder, and Egyptian campaigns; mortally wounded at Alexandria, 21 March 1801.
Ralph Abernathy
Ralph David Abernathy (1926–1990) was a Baptist minister, Martin Luther King Jr.'s closest friend, co-founder of the SCLC, and its second president (1968–1977), leading the Montgomery Bus Boycott and the Poor People's Campaign.
Ralph Adolphs
Ralph Adolphs is a German-born, Canadian-raised cognitive neuroscientist, the Bren Professor at Caltech known for lesion studies of the amygdala and a cross-species framework for the neuroscience of emotion.
Ralph Alger Bagnold
Ralph Alger Bagnold (1896–1990) was an English soldier and physicist who founded the Long Range Desert Group and wrote The Physics of Blown Sand and Desert Dunes.
Ralph Allen Sampson
Ralph Allen Sampson (1866–1939) was an Irish-born British astronomer, Astronomer Royal for Scotland from 1910 to 1937, known for his theory of Jupiter's four great satellites.
Ralph Alpher
Ralph Alpher (1921–2007) was an American physicist who in 1948, with Robert Herman, predicted the cosmic microwave background and formulated the first quantitative Big Bang nucleosynthesis model.
Ralph Alspaugh
Ralph Alspaugh, American sprinter from San Antonio, University of Texas 1959–61; five SWC sprint titles, 1959 world-record 440-yard relay (39.6), 1961 NCAA record relay anchor, 6.0 60-yard dash 1962, died 2009.
Ralph Alvarado
Ralph Alvarado is an American physician and Republican politician who served in the Kentucky State Senate from 2015 to 2023 and became Tennessee's health commissioner in January 2023.
Ralph Ambrosio
Ralph Ambrosio is an American politician and the 2026 Republican nominee for the U.S. House in New York's 20th district, running against incumbent Rep. Paul Tonko.
Ralph Asher Alpher
Ralph Asher Alpher was an American cosmologist who predicted the cosmic microwave background with Robert Herman in 1948 and was omitted from the 1978 Nobel Prize.
Ralph B. D’Agostino
Ralph B. D'Agostino, also known as Ralph D'Agostino, was an American biostatistician at Boston University who led the Framingham Heart Study's statistical analysis and co-developed its risk scores.
Ralph Baer
Ralph Baer (1922–2014) was a German-American engineer, called the father of video games, who created the Brown Box prototype that became the Magnavox Odyssey in 1972.
Ralph Bakshi
Ralph Bakshi (born 1938, Haifa) is an American animator and director, pioneer of adult animation with Fritz the Cat (1972), Heavy Traffic, Coonskin, Wizards, and the rotoscoped 1978 Lord of the Rings.
Ralph Barbosa
Ralph Barbosa (born 1996) is a Mexican American stand-up comedian from Dallas and Mesquite, Texas, known for laid-back delivery, the Netflix special Cowabunga (2023), the Hulu special Planet Bosa (2025), and his Formula Bean car YouTube channel.
Ralph Beard
Ralph Beard (1927-2007), American basketball guard: 1948 Olympic gold medalist, three-time All-American and two-time NCAA champion at Kentucky, two-season All-NBA guard for the Indianapolis Olympians, banned from the NBA for life in the 1951 point-shaving scandal.
Ralph Beebe Blackman
Ralph Beebe Blackman (1904–1990) was a Bell Telephone Laboratories researcher known for Blackman's formula on feedback and impedance, published in 1943, and the Blackman–Tukey method.
Ralph Bellamy
Ralph Bellamy (1904–1991), American character actor of stage, film, radio, and television, famed for playing FDR in Sunrise at Campobello (Tony Award) and known as the 'other man' in The Awful Truth and His Girl Friday.