Kanakanahalli Ramachandra
Kanakanahalli Ramachandra, Indian mathematician (Mandya, Mysore State 18 August 1933 – Bangalore 17 January 2001) Authored over 200 papers Considered one of the world’s greatest number theorists in his time Proved the six exponentials theorem independently of S. Lang First to study the fractional moments of the Riemann zeta function Enunciated many theorems EPONYMY Siegel-Ramachandra-Robert elliptic units Balasubramanian-Ramachandra theorem Ramachandra kernel
Kalpathi Ramakrishna Ramanathan
Kalpathi Ramakrishna Ramanathan, Indian meteorologist (Kalpathi Village, Palghat, Kerala State 28 February 1893 – 31 December 1984) ACHIEVEMENTS Performed important discoveries on the vertical thermal structure of atmosphere (1933) Devised ways of correcting observations for atmospheric scattering by aerosols (1940s) Worked out the first diagram portraying the zonal vertical thermal structure of the Earth’s atmosphere Showed that the tropopause is low over the polar regions and high above the equatorial zone First to publish diagram showing the distribution of upper air temperatures over the world up to 25 km in summer and winter Discovered quasi biennial oscillations of total ozone in the tropics Discovered the dependence of ozone distribution on meteorological phenomena such as jet streams and their location, tropopause discontinuities and inter-latitudinal air exchange Discovered on whole ozone relationship with the circulation of the atmosphere Established the nocturnal and seasonal variations of the green and red lines of oxygen, and the effect of the solar flares on the green emissions Estimated the role of secondary and higher order scattering on twilight Studied the effect of electron-ion collision in the F-region of the ionosphere on the absorption of cosmic radio noise and the effect X-rays from discrete galactic sources to the lower ionosphere Discovered the existence of atmospheric general systems in the ionospheric regions also OFFICES/HONORS President, International Association of Meteorology (1951-4) President, International Union of Geodesy and Geophysics (1954-7) President, International Ozone Commission (1960-7) IMO Prize, World Meteorological Organization (1959)
Julio Rey Pastor
Julio Rey Pastor, Spanish / Argentine mathematician (Logroño 14 August 1888 – Buenos Aires 21 February 1962) Son in law of surgeon Avelino Gutierrez ACHIEVEMENTS Authored Elementos de analisis algebraico (1917), in which introduced his own discoveries and innovations Enunciated theorem of Rey Pastor and Rey Pastor algorithm in Rendiconti di Palermo, 1931 Developed new summation methods Un metodo de sumacion de series. Rend. Circ. Mat. Palermo 55, 1931 Demonstrated Jordan theorem for closed polyhedral varieties in topology of n-dimensional space Introduced synthetic reasoning in complex geometry First demonstrated homeomorphism as a geometric correspondence Defined index of a doman in regard to a point and the index of a point Une generalization elementaire de la convergence. Bol. Sem. Matem. 3(13), 1933 Studied Rey Pastor D0 spaces Espacios D0. Rev. Univ. Tucumán Serie A1: 105-24, 1940 Eponym of Rey Pastor associated points Created a new science named preology (1950s) HONOURS Rey Pastor lunar crater (not accepted) Invited Lecturer, International Congress of Mathematicians (1920 & 1928)
Juan Tomas Roig
Juan Tomás Roig y Mesa, Cuban botanist (Santiago de las Vegas, La Habana 31 May 1877 – La Habana 20 February 1971) DESCRIBED VALID PLANTAE TAXA Banara brittonii 1922 Byrsonima luacesii 1953 with Acuña Byrsonima moensis 1953 with Acuña Castela leonis 1950 with Acuña Castela victorinii 1950 with Acuña Lyonia leonis 1956 with Acuña Lyonia maestrensis 1956 with Acuña Malpighia martiana 1953 with Acuña Malpighia wrightiana 1953 with Acuña Ocotea bucherii 1949 with Acuña Ocotea victorinii 1949 with Acuña Palicourea moralesii 1962 with Acuña Palicourea ponce-leonis 1962 with Acuña Palicourea torrei 1962 with Acuña Palicourea van-hermannii 1962 with Acuña Psychotria alainii 1962 with Acuña Psychotria byrsonimifolia 1962 with Acuña Psychotria lopezii 1962 with Acuña Symphysia alainii 1956 with Acuña Vaccinium alainii 1956 with Acuña Vaccinium leonis 1956 with Acuña Vaccinium shaferi 1956 with Acuña HONORS Roigella Borhidi & Fernandez Zeq. 1982 (Rubiaceae) Roigiella Castañeda Ruiz 1984 (Fungi)
Juan María Rodríguez
Juan María Rodríguez Arangoity, Mexican obstetrician (Ciudad de Mexico 27 January 1828 – Ciudad de Mexico 24 June 1894) Pioneer in diagnose pregnancy employing combined palpation and auscultation Developed techniques for obstetrical exploration Introduced a number of innovations in midwifery Modified the version by outer manoeuvre Modified the Kiwish procedure for dilation of cervix uteri (1870) Enunciated rules for hand extraction of fetus Enunciated precise rules for oxytocic administration Pointed out the differencial pelvis of Mexican people With José Ignacio Capetillo modified the Ortega procedure of embryotomy
Juan Arturo Rivero
Juan Arturo Rivero Quintero, Puerto Rican herpetologist (Santurce, San Juan State 05 March 1923 – Mayaguez 03 March 2014) Authored over 100 scientific papers, 21 books & 3 book chapters Described the genus Stefania 1966 and 152 new species in Amphibia Described one Reptilia species Anolis occultis 1965 with Williams