Trossin / Trossien, Robert Dates of birth and death: 1820 in Bocianowo near Bromberg, Prussia - 1896
Also known as: R. T. ; Rob. Trossien ; Robert TrossinWorked for: entomologist Julius Theodor Christian Ratzeburg (1801-1871) ; Königsberg based astronomer August Ludwig Busch (1804-1855) ;
Troth, Henry Dates of birth and death: 1863, Philadelphia, Pennsylvania - 1945 / 1948
Also known as: H. T. ; H. Troth ;Worked for: Neltje Blanchan (Nellie De Graff Doubleday 1865-1918): Nature's Garden 1900 &Wild Flowers Worth Knowing; Flower Finder; Phytogeographic Survey of North America
Trottet, Mlle ° Dates of birth and death: 1900 fl. - 1920 fl.
Also known as: Worked for: Guy Babault (1888?- c. 1932 or 1963) ; Emil Georges Dehaut (1xxx-1xxx) ; Charles Oberthür (1845-1924) & René Oberthür (1852-1944) ; Genera insectorum (Bruxelles 1902-1963) ; Mission du Service géographique de l'Armée pour la mesure d'un arc de méridien équatoriale en Amérique du Sud 1899-1906 (Paris 1910-19) ;
Trouvelot, Étienne Léopold Dates of birth and death: 1827 in Aisne, Département Aisne, France - 1895
Also known as: E. L. T. ; Etienne Leopold / L. Trouvelot ;Worked for: S. H. Scudder (1837-1911) ; Joseph Winlock (1826-1875) ; >7000 astron. images ; 15 of them publ. in: The Trouvelot Astronomical Drawings (London 1882);
Truan y Luard, Alfredo Dates of birth and death: 1837 (or 1833) in Nyon, Switzerland - 1890
Also known as: A. T. y L. ; A. Truan / Alfredo Truan Luard ;Worked for: A. T. y L. & O. N. Witt: Die Diatomaceen der Polycystinenkreide von Jérémie in Hayti (1888, reprint 1999) ;
Truchet, Sébastien Dates of birth and death: 1657 in Lyon - 1729
Also known as: S. T. ; Père Truchet ;Worked for: Truchet: Oreilles artificielles, Mem Acad Sciences (1683) ;
Trudeau, James Dates of birth and death: 1825 fl. - 1850 fl.
Also known as: J. T. ; Worked for: John James Audubon (1785-1851) & John Bachman (1790-1874) ;
