Articles with Botanist identifiers

Johannes Iversen (Danish pronunciation: [ˈiˀvɐsn̩], 12 December 1904 – 17 October 1971) was a Danish palaeoecologist and plant ecologist.

Cornelis Andries Backer (1874–1963) was a Dutch botanist and pteridologist. He was born on 18 September 1874 in Oudenbosch and died on 22 February 1963 at Heemstede, The Netherlands. He stayed thirty years in the Dutch East Indies and did research on plant taxonomy on the islands of Java and Madura.

Dr. Martha Christensen (born 4 January 1932, Ames, died 19 March 2017, Madison) was an American mycologist, botanist and educator known as an expert in fungal taxonomy and ecology, particularly for soil-dwelling fungi in the genera Aspergillus and Penicillium.

William Culp Darrah (1909 – 1989) was an American professor of biology at Gettysburg College in Pennsylvania. He also had an interest in, and published several works on, 19th-century photography.
Born in Reading, Pennsylvania, his was a specialist in paleobotany. Darrah was a fellow of the American Association for the Advancement of Science, as well a member of Sigma Xi and the Botanical Society of America.As an authority on the history of photography, he authored several books about 19th-century photo processes and photographers. As part of his interest in early photography, he assembled a collection of over 60,000 cartes-de-visite, which is now held at Penn State University.
He died in Gettysburg, Pennsylvania.

Jean-Charles Houzeau de Lehaie (October 7, 1820 – July 12, 1888) was a Belgian astronomer and journalist. A French speaker, he moved to New Orleans after getting in trouble for his politics in Belgium.
In the U.S. he continued his journalistic, astronomical, and political pursuits. He was an abolitionist and joined with unionists in Texas before the American Civil War. In New Orleans he worked with Dr. Louis Charles Roudanez at the newspapers he founded in the 1860s.
Houzeau migrated to Jamaica in the postwar years. After reinstatement from an observatory in Brussels, he returned to Europe to work. He came back to Texas for an astronomical event. He published stirring memoirs and other accounts of his adventures and contacts during his travels, as well as several works on astronomical subjects.

Joseph Thomson (14 February 1858 – 2 August 1895) was a British geologist and explorer who played an important part in the Scramble for Africa. Thomson's gazelle and Thomson's Falls, Nyahururu, are named after him. Excelling as an explorer rather than an exact scientist, he avoided confrontations among his porters or with indigenous peoples, neither killing any native nor losing any of his men to violence. His motto is often quoted to be "He who goes gently, goes safely; he who goes safely, goes far."

Francis Elliott Drouet (1907–1982) was an American phycologist, who collected specimens in the United States, Brazil, Mexico, and Panama.

Isabella Aiona Abbott (June 20, 1919 – October 28, 2010) was an educator, phycologist, and ethnobotanist from Hawaii. The first native Hawaiian woman to receive a PhD in science, she became a leading expert on Pacific marine algae.

Eduard von Martens (18 April 1831 – 14 August 1904) also known as Carl or Karl Eduard von Martens, was a German zoologist.Born in Stuttgart in 1831, von Martens attended university in Tübingen, where he graduated in 1855. He then moved to Berlin, where he would be based for the remainder of his career, both at the Zoological Museum of the Berlin University (from 1855) and, from 1859 on, at the Museum für Naturkunde.In 1860, he embarked on the Thetis expedition of the Prussian expedition to Eastern Asia. When the expedition returned to Europe in 1862, von Martens continued to travel around Maritime Southeast Asia for 15 months. He published the results of the "Thetis" expedition in two volumes, constituting the Zoologischer Theil of the "Preussische Expedition nach Ost-Asien." Vol. ii, consisting of 447 pages and 22 plates, contained a very full account of the land molluscs.
Back in Berlin, von Martens was curator of the malacological and other invertebrate sections until his death.Von Martens described 155 new genera (150 of them molluscs) and almost 1,800 species (including around 1,680 molluscs, 39 crustaceans, and 50 echinoderms).
He was a foreign member of the Linnean Society of London, and a corresponding member of the Zoological Society of London.

Christian Gottlieb Ferdinand Ritter von Hochstetter (30 April 1829 – 18 July 1884) was a German-Austrian geologist.