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Legrand family

Enrique Legrand Carriguisi, Uruguayan poet, astronomer and mathematician (Montevideo 12 August 1861 – Montevideo 23 October 1936)
 
 
Authored 22 works and scientific publications
 
Calculated the orbit of Viscara comet (1901)
 

Invented a system of repeating prisms applied to sextants

Prismes réiterateurs appliqués au sextant (1898)
 

Developed a graphical method for predicting Sun occultations and eclipses

Método grafico para la predicción de ocultaciones y eclipses de Sol (1906)
 
 

OTHER CONTRIBUTIONS

Loi du rayonemment thermique solaire. Bol. Colegio Pio (1897)
 
Sommations par une formule d’Euler (1911)
 
Sobre Wallis y sus metodos de interpolación y dos formulas para el calculo logarítmico a 4 decimas de las funciones eulerianas (1919)
 
Determinación exacta de  la latitud y del tiempo en el sextante (1927)
 
 
His son, Carlos Maria Diego Enrique Legrand Lasserre, botanist (Montevideo 01 November 1901 – Montevideo 06 December 1982)
 
Gained international recognition on Portulaca genus and Myrtaceae family  
 
Described 1 genus, 3 subgenera, 19 sections, 27 subsections, 6 series, 169 species, 2 subspecies, 80 varieties, 10 forms and 11 combinations
 
 

HONORS  

Legrandia Kausel 1944 (Myrtaceae)
 
 
LINKS