Thomas Horsfield, M. D. , (1773–1859) was an American physician and naturalist. Year 1773 ( MDCCLXXIII) was a Common year starting on Friday (link will display the full calendar of the Gregorian calendar (or a Common Year 1859 ( MDCCCLIX) was a Common year starting on Saturday (link will display the full calendar of the Gregorian calendar (or a Common The United States of America —commonly referred to as the A physician, medical practitioner or medical doctor who practices Medicine, and is concerned with maintaining or restoring human Health Natural history is the Scientific research of Plants or Animals leaning more towards the Observational than Experimental methods

Writing on Horsfield's Catalogue of the mammals in the East India Company Museum on a copy to Theodore Edward Cantor

Horsfield was born in Philadelphia and studied medicine. Theodore Edward (Theodor Edvard Cantor (1809 - 1860 was a Danish Physician, Zoologist and Botanist. Philadelphia (ˌfɪləˈdɛlfiə He worked as a doctor in Java for many years. Java (Jawa is an Island of Indonesia and the site of its Capital city Jakarta. The East India Company took control of the island from the Dutch in 1811, and Horsfield began to collect plants and animals on behalf of his friend Sir Thomas Stamford Raffles. The Honourable East India Company ( HEIC) referred to most commonly as the East India Company, also historically and colloquially as John Company, or The Netherlands ( Dutch:, ˈnedərlɑnt is the European part of the Kingdom of the Netherlands, which consists of the Netherlands the Netherlands Plants are living Organisms belonging to the kingdom Plantae. In 1819 he was forced to leave the island due to ill health and became keeper and later curator of the East India Company's museum in Leadenhall Street, London. Curator (from Latin cura care means manager overseer. A curator or keeper of a cultural heritage institution (e Leadenhall Street is a major street in the City of London. It runs from Cornhill to Aldgate. London ( ˈlʌndən is the capital and largest urban area in the United Kingdom.

Horsfield was appointed assistant secretary of the Zoological Society of London at its formation in 1826. The Zoological Society of London (sometimes known by the abbreviation ZSL) is a Learned society founded in London in April 1826 by Sir Thomas Stamford

Horsfield wrote Zoological Researches in Java and the Neighbouring Islands (1824). He also classified a number of birds with Nicholas Aylward Vigors, most notably in their A description of the Australian birds in the collection of the Linnean Society; with an attempt at arranging them according to their natural affinities (Trans. Nicholas Aylward Vigors (1785 &ndash October 26, 1840) was an Irish Zoologist and Politician. The Linnean Society of London is the World 's premier society for the study and dissemination of Taxonomy and natural history Linn. Soc. Lond. (1827)).

In 1833, he was a founder of what became the Royal Entomological Society of London. Year 1833 ( MDCCCXXXIII) was a Common year starting on Tuesday (link will display the full calendar of the Gregorian Calendar (or a Common The Royal Entomological Society of London (formerly the Entomological Society of London) is devoted to Insect study

The Horsfield's Tortoise or the Russian Tortoise "Testudo horsfieldii" is named after him. The Russian Tortoise, Horsfield's Tortoise or Central Asian Tortoise ( Testudo horsfieldii syn

The Horsfield's Goshawk or the Chinese Sparrowhawk Accipiter soloensis is also named after him. The Chinese Goshawk ( Accipiter soloensis) is a Bird of prey in the family Accipitridae which also includes many other diurnal raptors such as

In the last years of his life Dr. Horsfield lived at these addresses: Norfolk Street; Castle Street, Holborn;2 Raymond Buildings,, Gray's Inn; and from 1835-1849 at 20 Stonefield Street, Islington Street. He was interred in the Moravian Church buriel ground at Chelsea on July 29, 1859. His grave in the western plot still survives. His natural history notes, papers and diaries were all destroyed by executors of his will. His personal library was removed by the executors from the India Museum. The sum of 53 pounds was set aside for the India office to buy back from the booksellers some works, but most went into public and private collections. (Quote from ZOOLOGICAL RESEARCHES IN JAVA AND THE NEIGHBOURING ISLANDS-memoir by John Bastin) Dr. Thomas Horsfield died at his home, 29 Chalcot Villas, Adelaide Road, Camden Town, London. Research so far has not revealed the maiden name of his wife or the marriage of his daughter or possible grandchildren. His son died young. Thomas was elected a Fellow of the Royal Society in 1828. The initials FRS appear after his name on his gravestone.

Burial: 1859, Moravian Cemetery, Chelsea, London, England. Doctor of Medicine: May 22, 1798, University of Pennsylvania