ud-Din / Zainuddin, Shaikh Zain Dates of birth and death: 1750 c. in Patna, Bihar, Company raj - 1782 fl.
Also known as: Z. u.-D ;Worked for: album of natural history illustrations commissioned by Lady Mary Impey ;
Uhlich, Gabriel Dates of birth and death: 1682 in Leipzig - 1741
Also known as: G. U. ;Worked for: Jacob Leupold: Theatri [Theatrum] machinarum hydraulicarum / Schau=Platz der Wasser=Künste, Leipzig (1724) ; Theatrum Staticum (1726) ; Theatrum Pontificale (1726 & Suppl. 1739) ; Jakob Theodor Klein (1685-1759): Descriptiones Tubulorum Marinorum (1731) ; Johann Micraelius: Vom Alten Pommerland (1723) ; Acta Eruditorum (Leipzig 1682-1731) ;
Uhlig, Henry Dates of birth and death: 1934 fl. - 1954 fl.
Also known as: H. U. ; Worked for: Werner Ladiges (1910-1984) ; Charles Howard Peters (?-?): Life and Love in the Aquarium (New York 1934)
Uhrmann, Virgil Dates of birth and death: 1900 fl. - 1920 fl.
Also known as: V. U. ; Worked for: Graser's naturgeschichtliche Tafeln (Annaberg, later Munich 1896-1952), also known as Naturwissenschaftliche und landwirtschaftliche Tafeln (from 1910) ;
Ukhtomsky, Andrei Grigorjewitsch Dates of birth and death: 1771 - 1852
Also known as: A. G. U. ; Andrej Grigor'evič Uchtomskij ; Worked for: Atlas of Krusenstern's circumnavigation 1813
Ulmer, Oscar Erwin Dates of birth and death: 1888 in Hamburg - 1963 / 1964
Also known as: O. E. U. ; Oskar Ulmer / O. Ulmer ;Worked for: Genera insectorum (Bruxelles 1902-1963) ;
