Reye, Australian physician – Reye syndrome. R. J. Reynolds, American businessman – R. J. Reynolds Tobacco Company. Rhea, Greek mythological character – Rhea (a type of bird genus). Rhesus of Thrace, Thracian mythological character – rhesus macaque. Cecil Rhodes, British explorer and industrialist – Northern Rhodesia (Now Zambia), Southern Rhodesia (Now Zimbabwe), Rhodes Scholarship. Giovanni Francesco Ricasoli, Italian knight – Fort Ricasoli. Isaac Rice, German-American businessman and chess player – Rice Gambit. Nina Ricci, Italian fashion designer – Nina Ricci (brand). Charles Richter, American seismologist – Richter magnitude scale. Howard Taylor Ricketts, American pathologist – rickettsia. Gerrit Rietveld, Dutch architect and furniture designer – Rietveld chair, Gerrit (software), Rietveld (software). Sydney Ringer, British pharmacologist – Ringer's solution and Ringer's lactate solution given via the IV route to patients. Heinrich Adolf Rinne, German physician – Rinne test. Robert L. Ripley, American comics artist – Ripley's Believe It or Not!. Eliyahu Rips, Latvian-Israeli mathematician – Rips machine. César Ritz, Swiss hotel owner – Ritz Hotel, Hôtel Ritz, "ritzy" (term for something luxurious). Ron Rivest, American computer scientist – the first letter of the name RSA (the "R" in this asymmetric algorithm for public key cryptography is taken from Rivest). Hal Roach, American film producer – Hal Roach Comedies. Jean Robin, French botanist – Robinia. Paul Robert, French novelist – Petit Robert. Oral Roberts, American evangelist – Oral Roberts University. Yves Rocher, French businessman – Yves Rocher (company). John D. Rockefeller, American businessman – Oysters Rockefeller, Rockefeller Foundation. John D. Rockefeller, Jr., American businessman – Rockefeller Center. Nelson Rockefeller, American politician – Rockefeller Republican. Norman Rockwell, American painter and illustrator – Rockwellesque. Diogo Rodrigues, Portuguese explorer – Rodrigues Island Alvah Roebuck and Richard Sears, American businesspeople – Sears, Roebuck, now Sears. Francis Rogallo, American aeronautical engineer/inventor - Rogallo wing. Leonard James Rogers , British mathematician – Rogers–Ramanujan identity. Roy Rogers, American film actor and singer – Roy Rogers (cocktail). Will Rogers, American comedian and actor – Will Rogers phenomenon. Otto Röhm and Otto Haas, German businessmen – Rohm & Haas. Roland, French knight – "to give a Roland for an Oliver" (offering to give as good as one gets). Charles Rolls and Henry Royce, British businesspeople – Rolls-Royce. Moritz Heinrich Romberg, German physician – Romberg's test, Parry–Romberg syndrome, Howship–Romberg sign. Nicola Romeo, Italian businessman – Alfa Romeo. Romulus, Roman mythological character – Rome. Vasco Ronchi, Italian physicist – Ronchi test, Ronchi ruling. Pierre