Tyroff, Johann David Dates of birth and death: 1733 - 1770
Also known as: J. D. T. ; Worked for: Jakob Christian Schaeffer (1718-1790) ; Georg A. Will & Christoph Weigel: Die Grösse & Mannigfaltigkeit in den Reichen der Natur und Sitten (Nurmberg 1768) ;
Tyroff, Hermann Jakob Dates of birth and death: 1742 in Nuremberg - 1786
Also known as: H. J. T. ; Jacob Herm. Tyroff ;Worked for: Josef Gaertner (1732-1791): De Fructibus et Seminibus Plantarum (1801-1807) ; Jacob Christian Schaeffer (1718-1790) ; Johannes Zorn (1739-1799) ; Georg Wolfgang Knorr (1705-1761): Allgemeine Blumen (1750) ; Johann Christian Daniel Schreber (1739-1810) ; Nova acta physico-medica Academiae Caesarae Naturae Curiosorum (volume 9, 1818-1863) ;
Tyroff, Martin Dates of birth and death: 1704 in Nuremberg (not Augsburg) - 1758 / 1759
Also known as: M. T. ; Worked for: Johann Jacob Scheuchzer (1672-1733): Physica Sacra (Augsburg 1731-35, 89 plates in all 4 volumes) & Johann Andreas Pfeffel the Elder (1674-1748) ; August Johann Rösel von Rosenhof (1705-1759): Historia naturalis Ranarum (1758) ;
Ubaldinus, Petrus Paulus Dates of birth and death: 1605 ? in Rome - 1650
Also known as: P. P. U. ; Pietro Paolo Ubaldini ;Worked for: Giovanni Battista Ferrari (1584-1655) ;
Ubertini, Francesco Dates of birth and death: 1494 in Florence, Tuscany, now Italy - 1557
Also known as: F. U. ; "il Bachiacca" ;Worked for: paintings in the studiolo (office) of the grand duke Cosimo I de Medici ;
