Johan Peter Rottler

Johan Peter Rottler (June 1749 – 24 January 1836) was a French missionary and botanist, most associated with the Danish Mission in Tranquebar and later Vepery, Chennai in southern India.

He was born in Strasbourg, France in 1749, and studied at the local Gymnasium from the age of nine. He was influenced by the master of the school Dr Lorenz . In 1766 he joined the University of Strasbourg and studied for nine years. He was ordained, and went as a missionary to southern India in 1776 at the recommendation of Dr Freylinghausen of Halle. His first appointment along with Johann Wilhelm Gerlach was at the Danish Lutheran Tranquebar Mission at Tranquebar; in 1806, he moved to an English mission in Madras, where he died in 1836.

Continuing the work of earlier naturalists in the region including Johann Gerhard König, Rottler became an enthusiastic botanist, who collected more than 2000 plant samples from southern India and sent them to Europe for study and research. Rottler also studied the Tamil language and compiled a dictionary. He married a Dutch lady, a widow of a Dutch ship captain, in 1779 and who died in Vepery in 1827 from cancer. He corresponded with Dr Schreber at the University of Erlangen and received a Doctor in Philosophy in 1795.[1] In 1795 he accompanied Sir Hugh Cleghorn, secretary to Lord North. Cleghorn made use of Rottler's knowledge of botany and natural history. A trunk full of plant specimens was sent to the Great Herbarium of King's College London.[1] In 1873, this collection was transferred to the Royal Botanic Gardens, Kew, London. In 1803, Rottler was put in charge of the Vepery mission to replace Paezold who had moved to teach Tamil at the Fort William College.[1]

His findings were published in Europe in 1803, but went largely overlooked for many years.[2][3][4]

Most of Rottler's botanical collections are in the Royal Herbarium of Munich. Many of his plants were described by Carl Ludwig Willdenow, Martin Vahl and others. The genus Rottlera was named after him by Vahl but is now a synonym of Mallotus. A memorial tablet to Rottler is in the Vepery church.[1]

References
  1. Foulkes, T. (1861). "Biographical Memoir of Dr Rottler". Madras Journal of Literature and Science. 22: 1–17.
  2. "Botanische Bemerkungen auf der Hin- und Rückreise von Trankenbar nach Madras vom Herrn Missionair Rottler zu Trankenbar mit Anmerkungen von Herrn Professor C. L. Willdenow". de:Gesellschaft Naturforschender Freunde zu Berlin, Neue Schriften. 4: 180–224. 1803.
  3. Matthews, K. M. (1993). "Notes on an Important Botanical Trip (1799–1800) of J. P. Rottler on the Coromandel Coast (India) with a Translation of His Original Text, Explanatory Notes and a Map". Botanical Journal of the Linnean Society. 113: 351–88. doi:10.1006/bojl.1993.1075.
  4. Bedekar, Vijay (24 December 2005). "Seminar on Indian Contribution to World Civilization". Institute for Oriental Study, Thane. Retrieved 23 December 2014.
  5. IPNI.  Rottler.
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