All articles starting with R

R. Jacob Vogelstein

R. Jacob Vogelstein is an American neural engineer and neuroscientist who designed and led IARPA's MICrONS and KRNS programs and received a 2014 Presidential Early Career Award.

R. James Cook

R. James Cook, born in 1937, is an American phytopathologist at Pullman, Washington, whose work on take-all decline in wheat earned the 2011 Wolf Prize in Agriculture.

R. John Collier is an American microbiologist and biochemist, Professor Emeritus at Harvard Medical School, who showed that diphtheria toxin blocks protein synthesis and developed dominant-negative mutants as a therapy for anthrax.

R. John Ellis

R. John Ellis (1935–2025) was a British biochemist at the University of Warwick who discovered the first molecular chaperone and named the chaperone concept in 1987.

R. John Solaro

R. John Solaro is an American cardiac physiologist at the University of Illinois Chicago who heads research on the cellular mechanisms controlling heart contraction and relaxation.

R. Joseph b. Mar R. Abba

R. Joseph b. Mar R. Abba was the Gaon, or head, of the Babylonian academy of Pumbedita, taking the seat in 839, twenty-five years after an identically named predecessor.

R. Joseph b. Mar R. Ḥiyya

R. Joseph b. Mar R. Ḥiyya was a ninth-century Babylonian Jewish scholar who served as Gaon, or head, of the Academy of Pumbedita from 828 to 833.

R. Joseph b. R. Jacob

R. Joseph b. R. Jacob, also called bar Satia, was a tenth-century Gaon of the Academy of Sura, installed around 930 after the deposition of Saadia Gaon.

R. Joseph Kline

R. Joseph Kline is a materials scientist at NIST in Gaithersburg, Maryland, who developed X-ray metrology methods for 3D nanostructures in the semiconductor industry and received a 2012 PECASE award.

R. Judah

R. Judah was a Gaon, or head, of the Academy of Pumbedita in Babylonia, serving between the tenures of Natronai b. Nehemiah (719) and Joseph (739).

R. Jude Samulski

R. Jude Samulski, born Richard Jude Samulski, is an American gene therapy researcher whose 1980s AAV work underlies most approved gene therapies; he founded AskBio and Bamboo Therapeutics.

R. Jürgen Behm

R. Jürgen Behm is a chemist who pioneered atomic-scale scanning tunneling microscopy of surface processes, then researched electrocatalysis and energy storage as professor at Ulm University from 1992 to 2020.

Sep 27, 2026

R. K. Chaudhary

R. K. Chaudhary, born in 1950, is an Indian Samajwadi Party politician and a founding member of the Bahujan Samaj Party who represents Mohanlalganj in the Lok Sabha.

R. K. Films

R. K. Films, also written RK Films, is an Indian Hindi film production company founded by Raj Kapoor in Bombay in 1948, known for Awaara and Bobby.

R. K. Laxman (ராசிபுரம் கிருஷ்ணசுவாமி லட்சுமண்)

R. K. Laxman (Rasipuram Krishnaswamy Laxman, 1921-2015), Indian political cartoonist of The Times of India, creator of the iconic silent 'Common Man' in the daily pocket cartoon 'You Said It'; Padma Vibhushan and Ramon Magsaysay laureate.

R. K. Narayan

R. K. Narayan (1906–2001), born Rasipuram Krishnaswami Iyer Narayanswami, was an Indian novelist and short-story writer in English whose 14 novels set in the fictional town of Malgudi include Swami and Friends and The Guide.

R. K. Selvamani

R. K. Selvamani (ஆர். கே. செல்வமணி), born 1965, is a Tamil film director known for Pulan Visaranai (1990) and Captain Prabhakaran (1991), husband of actress Roja, and president of FEFSI and the Tamil Film Directors Association.

Sep 23, 2026

R. K. Shanmukham Chetty

R. K. Shanmukham Chetty (ஆர். கே. சண்முகம் செட்டி) was an Indian politician who served as Diwan of Cochin and as independent India's first Finance Minister.

R. K. Shekhar

R. K. Shekhar (ആർ കെ ശേഖർ), Rajagopala Kulashekhara Shekhar (1933–1976), was a Malayalam film composer, arranger, and conductor who scored about 25 films including Pazhassi Raja, introduced electronic instruments to South Indian film music, and was the father of A. R. Rahman.

R. K. Singh (राज कुमार सिंह)

R. K. Singh (राज कुमार सिंह, born 1952), former IAS officer, Union Home Secretary, and BJP Minister of State for Power and New & Renewable Energy 2017-2024; Arrah MP 2014-2024, lost in 2024 and suspended by BJP in November 2025.

R. K. Suresh

R. K. Suresh (ஆர்.கே.சுரேஷ்), born 1980, is a Tamil film producer and actor who heads Studio 9 Productions; distributor from 2012, producer of Salim (2014), villain debut in Bala's Tharai Thappattai (2016), later lead actor in Visithiran (2022).

R. Keith Harris

R. Keith Harris (Keith Harris) is an American character actor, writer, and producer from North Carolina, known as Dr. Harlan Carson on The Walking Dead and Martin Willis on Dopesick; he wrote, produced, and starred in Shifting Gears (2018) and played Ed's father in Big Fish.

R. Keith Humphries

R. Keith Humphries is a Canadian hematology researcher and Fellow of the Royal Society of Canada, known for showing that the gene HOXB4 can expand blood-forming stem cells outside the body.

R. Keith Michel

R. Keith Michel is an American naval architect who served as president of Webb Institute from 2013 to 2022 and was elected to the National Academy of Engineering in 2014.

R. Kelly

R. Kelly (Robert Sylvester Kelly, born 1967, Chicago) is an American R&B singer-songwriter-producer known for "I Believe I Can Fly" and "Bump N' Grind"; convicted of racketeering and sex crimes, he is serving a 31-year federal prison sentence.

R. Kelly Dawe

R. Kelly Dawe is an American plant geneticist at the University of Georgia known for work on maize centromeres, meiotic drive, and patented haploid-induction technology.

R. Kelly sexual abuse cases

R. Kelly sexual abuse cases: criminal prosecutions of singer Robert Sylvester Kelly. Acquitted in a 2008 Chicago child porn trial; convicted in Brooklyn 2021 on racketeering and Mann Act counts (30 years) and in Chicago 2022 on child pornography counts (20 years); appeals upheld 2024-2025.