History of Astronomy: Persons (R)
- Radcliffe, John (1650-1714)
- Ragona, Domenico (1820-1892)
- Rajewsky, Boris (1893-1974)
- Raman, Chandrasekhra Venkata (1888-1970)
- Ramsay, William (1852-1916)
- Ramsden, Jesse (1735-1800)
- Ramus, Peter (1515-1572)
- Rankine, William John Macquorn (1820-1872)
- Raphson, Joseph (1648-1715)
- Rasch, Johann (ca.1540-1615)
- Rayleigh, Lord: see Strutt, John William (1842-1919)
- Razi: see al-Razi, Mohammad Ibn Zakariya (864-930)
- Reael, Lorenzo (1583-1637)
- Reber, Grote (b. 1911)
- Recorde, Robert (c. 1510 - 1558)
- Rees, Martin John (b. 1942)
- Reeves, Hubert (b. 1932)
- Regener, Erich (1881-1955)
- Regiomontanus [Müller, Johann or Johannes] (1436-1476)
- Régis, Jean-Baptiste (1663/4-1738)
- Regnér, Lars (1746 - 1810)
- Reiche, Maria (1903-1998)
- Reichenbach, Georg Friedrich von (1772-1826)
- Reichenbach, Karl Ludwig, Freiherr von (1788-1869)
- Reinhold, Erasmus (1511-1553)
- Reinhold, Erasmus (1538-1592)
- Reines, Frederick (1918-1998)
- Respighi, Lorenzo (1824-1889)
- Rhaeticus: see Rheticus
- Rheita, Anton Maria Schyrlaeus (1604-1660)
- Rheticus [Rhaeticus; Lauchen, Georg Joachim von] (1514-1574)
- Ricci, Matteo (1552-1610)
- Riccioli, Giambattista [Giovanni Battista] (1598-1671)
- Ricco', Annibale (1844-1919)
-
Richard of Wallingford (1291/92-1336(?))
- Richardson, Lewis Fry (1881-1953)
- Richer, Jean (1630-1696)
- Ride, Sally Kristen (b. 1951)
- Riedler, Willibald (b. 1932)
- Rimmer, William Bolton (1882-1943)
- Ritchey, Georg Willis (1864-1945)
- Rittenhouse, Benjamin (1740-1825)
- Rittenhouse, David (1732-1796)
- Rivinus: see Bachmann, Augustus Quirinus (1652-1723)
- Roberts, Gilbert, Sir (1899-1978)
- Roberval, Gilles Personne de (1602-1675)
- Robie, Thomas (1689-1729)
- Robins, Benjamin (1707-1751)
- Robinson, Thomas Romney (1792-1882)
- Rocard, Yves-André (1903-1992)
- Rockwell, Willard Frederick, Jr. (1914-1992)
- Rodgers, John (1812-1882)
- Rømer [Römer; Roemer], Ole [Olaus; Olaf] Christensen (1644-1710)
- Ronchi, Vasco (1897-1988)
- Rondelli, Geminiano (1652-1735)
- Röntgen [Roentgen], Wilhelm Conrad (1845-1923)
- Rooke, Lawrence (1622-1662)
- Roomen, Andriaan van (1561-1615)
- Rordorf, Johann Rudolf (1788-1854)
- Roseby, Thomas (1844-1918)
- Rosén, Per Gustaf (1838-1914)
- Rosenberg, Hans (1879-1940)
- Ross, Mrs A.D. (?-?)
- Ross, Alexander David (1883-1966)
- Rosse, Lord: see Parsons, William, 3rd Earl of Rosse (1800-1867)
- Rosseland, Svein (1894-1985)
- Rossi, Bruno Benedetto (1905-1993)
- Rothmann, Christoph (1550-1599/1608)
- Rowland, Henry Augustus (1848-1901)
- Rubin, Vera Cooper (b. 1928)
- Rudolf II (1552-1612)
- Rue, Warren de la (1815-1889)
- Rukeyser, Muriel (1913-1980)
- Rümker [Rumker], Christian Carl Ludwig (1788-1862)
- Rushd: see Ibn Rushd [Averroes] (1128-1198)
- Russell, Henry Chamberlain (1836-1907)
- Russell, Henry Norris (1877-1957)
- Rutherford, Ernest (1871-1937)
- Rutherfurd, Lewis Morris (1816-1892)
- Ruysch, John (c.1460-1533)
- Rylands, Thomas Glazebrook (1818-1900)
- Ryle, Martin, Sir (1918-1984)
Wolfgang R. Dick.
Created: 16 Jan 1995.
Latest update: 12 Nov 2003