Willem Hendrik de Vriese
Encyclopedia
Willem Hendrik de Vriese (August 11, 1806 – January 23, 1862) was a Dutch botanist and physician born in Oosterhout
Oosterhout
Oosterhout is a municipality and a city in the South of the Netherlands. At June, 2008, the city population was 54,015.-History:Oosterhout is mentioned for the first time in 1277, although archaeological excavations showed the existence of human settlements in the area in prehistoric times. The...

, North Brabant
North Brabant
North Brabant , sometimes called Brabant, is a province of the Netherlands, located in the south of the country, bordered by Belgium in the south, the Meuse River in the north, Limburg in the east and Zeeland in the west.- History :...

.

He studied medicine at the University of Leiden, earning his doctorate in 1831. Afterwards he practiced medicine in Rotterdam
Rotterdam
Rotterdam is the second-largest city in the Netherlands and one of the largest ports in the world. Starting as a dam on the Rotte river, Rotterdam has grown into a major international commercial centre...

, where he also gave classes in botany at the medical school. In 1834, he was appointed associate professor of botany at the Athenaeum Illustré in Amsterdam
Amsterdam
Amsterdam is the largest city and the capital of the Netherlands. The current position of Amsterdam as capital city of the Kingdom of the Netherlands is governed by the constitution of August 24, 1815 and its successors. Amsterdam has a population of 783,364 within city limits, an urban population...

, and in 1841 was promoted to full professor. In 1845, he became a professor of botany at Leiden and successor to Caspar Georg Carl Reinwardt
Caspar Georg Carl Reinwardt
Caspar Georg Carl Reinwardt was a Prussian-born Dutch botanist.Reinwardt was the founder and first director of agriculture of the botanic garden at Bogor in Java...

 (1773–1854) at the Hortus Botanicus Leiden
Hortus Botanicus Leiden
The Hortus botanicus of Leiden is the oldest botanical garden of the Netherlands, and one of the oldest in the world. It is located in the southwestern part of the historical centre of the city, between the Academy building and the Leiden Observatory....

. He became a member of the Royal Dutch Academy of Sciences in 1838.

In October 1857, he was commissioned to conduct botanical investigations in the Dutch East Indies
Dutch East Indies
The Dutch East Indies was a Dutch colony that became modern Indonesia following World War II. It was formed from the nationalised colonies of the Dutch East India Company, which came under the administration of the Netherlands government in 1800....

, and consequently spent the following years performing research in Java
Java
Java is an island of Indonesia. With a population of 135 million , it is the world's most populous island, and one of the most densely populated regions in the world. It is home to 60% of Indonesia's population. The Indonesian capital city, Jakarta, is in west Java...

, Borneo
Borneo
Borneo is the third largest island in the world and is located north of Java Island, Indonesia, at the geographic centre of Maritime Southeast Asia....

, Sumatra
Sumatra
Sumatra is an island in western Indonesia, westernmost of the Sunda Islands. It is the largest island entirely in Indonesia , and the sixth largest island in the world at 473,481 km2 with a population of 50,365,538...

 and the Moluccas. In March 1861, he returned to the Netherlands in a weakened state, and died in Leiden several months later.

Among his written works was the first part of Hortus Spaarne-Bergensis (1839), a catalogue of banker Adriaan van der Hoop
Adriaan van der Hoop
Adriaan van der Hoop was a Dutch banker and in the first half of the 19th century one of the richest men in the Netherlands. He also was an influential politician: a member of the city council, the States-Provincial in Haarlem and the Senate in The Hague. In his later years he became an important...

's exotic plant collection. He also completed works which were initiated by Reinwardt and German botanist Franz Wilhelm Junghuhn
Franz Wilhelm Junghuhn
Friedrich Franz Wilhelm Junghuhn , was a German botanist. His father, Friedrich Junghuhn was a barber and a surgeon. His mother was Christine Marie Schiele. Junghuhn studied medicine in Halle and in Berlin from 1827 to 1831, meanwhile publishing a seminal paper on mushrooms in Limnaea...

 (1809–1864), and was the author of noteworthy treatises on cinchona
Cinchona
Cinchona or Quina is a genus of about 38 species in the family Rubiaceae, native to tropical South America. They are large shrubs or small trees growing 5–15 metres in height with evergreen foliage. The leaves are opposite, rounded to lanceolate and 10–40 cm long. The flowers are white, pink...

 (1855), vanilla
Vanilla
Vanilla is a flavoring derived from orchids of the genus Vanilla, primarily from the Mexican species, Flat-leaved Vanilla . The word vanilla derives from the Spanish word "", little pod...

 (1856) and camphor
Camphor
Camphor is a waxy, white or transparent solid with a strong, aromatic odor. It is a terpenoid with the chemical formula C10H16O. It is found in wood of the camphor laurel , a large evergreen tree found in Asia and also of Dryobalanops aromatica, a giant of the Bornean forests...

 (1856). In addition he published monographs on the genus Rafflesia
Rafflesia
Rafflesia is a genus of parasitic flowering plants. It contains approximately 28 species , all found in southeastern Asia, on the Malay Peninsula, Borneo, Sumatra, Thailand and the Philippines.Rafflesia was found in the Indonesian rain forest by an Indonesian guide working for Dr...

and the botanical family Marattiaceae (with biologist
Biologist
A biologist is a scientist devoted to and producing results in biology through the study of life. Typically biologists study organisms and their relationship to their environment. Biologists involved in basic research attempt to discover underlying mechanisms that govern how organisms work...

 Pieter Harting
Pieter Harting
Pieter Harting was a Dutch biologist and naturalist, born in Rotterdam. He made contributions in a number of scientific disciplines, and is remembered for his work in the fields of microscopy, hydrology, botany, and biostratigraphy.In 1835 he obtained his medical degree from the University of...

 1812-1885).

The botanical genus Vriesea was named in his honor by British botanist John Lindley
John Lindley
John Lindley FRS was an English botanist, gardener and orchidologist.-Early years:Born in Catton, near Norwich, England, John Lindley was one of four children of George and Mary Lindley. George Lindley was a nurseryman and pomologist and ran a commercial nursery garden...

(1799–1865).
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