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Constantine Samuel Rafinesque

French polymath and naturalist (1783–1840)

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Constantine Samuel Rafinesque-Schmaltz (French pronunciation: [kɔ̃stɑ̃tin(ə) samɥɛl ʁafinɛsk(ə)ʃmalts]) (22 October 1783 – 18 September 1840) was a French polymath of the early 19th century. Born near Constantinople in the Ottoman Empire, he was self-educated in France.

As a young man, Rafinesque-Schmaltz traveled to the United States, eventually settling in Ohio in 1815. There, he made significant contributions to botany, zoology, and the study of prehistoric earthworks in North America. Beyond his previous extensive work in Europe, he also contributed to the study of ancient Mesoamerican linguistics. In 1836, Rafinesque was the first person to use the term Taíno as a way of referring to the Indigenous peoples of the Greater Antilles.

Rafinesque had a reputation as an eccentric and erratic genius. He was an autodidact who excelled in various fields of knowledge, as a zoologist, botanist, writer and polyglot. He wrote prolifically on such diverse topics as anthropology, biology, geology, and linguistics, but was honored in none of these fields during his lifetime. An outcast in the American scientific community, his submissions were automatically rejected by leading journals. Among his theories were that ancestors of Native Americans had migrated by the Bering Sea from Asia to North America, and that the Americas were populated by Black Indigenous peoples at the time of European contact.

The standard author abbreviation Raf. is used to indicate this person as the author when citing a botanical name.

Rafinesque was born on 22 October 1783, in Galata, a suburb of Constantinople. His father, F. G. Rafinesque, was a French merchant from Marseille; his mother, M. Schmaltz, was of German descent and born in Constantinople. His father died in Philadelphia about 1793. Rafinesque spent his youth in Marseille, and was mostly self-educated; he never attended university. By the age of 12, he had begun collecting plants for an herbarium. By 14, he had taught himself Greek and Latin because he needed to follow footnotes in the books he was reading in his paternal grandmother's libraries. In 1802, at the age of 19, Rafinesque sailed to Philadelphia in the United States with his younger brother. They traveled through Pennsylvania and Delaware, where he made the acquaintance of most of the young nation's few botanists.

In 1805, Rafinesque returned to Europe with his collection of botanical specimens, and settled in Palermo, Sicily, where he learned Italian. He became so successful in trade that he retired by age 25 and devoted his time entirely to natural history. For a time Rafinesque also worked as secretary to the American consul. During his stay in Sicily, he studied plants and fishes, naming many newly discovered species of each. He was elected a Fellow of the American Academy of Arts and Sciences in 1808.

Rafinesque had a common-law wife. After their son died in 1815, he left her and returned to the United States. When his ship Union foundered near the coast of Connecticut, he lost all his books (50 boxes) and all his specimens (including more than 60,000 shells). Settling in New York, Rafinesque became a founding member of the newly established Lyceum of Natural History. In 1817, his book Florula Ludoviciana or A Flora of the State of Louisiana was strongly criticized by fellow botanists, which caused his writings to be ignored. By 1818, he had collected and named more than 250 new species of plants and animals. Slowly, he was rebuilding his collection of objects from nature.

In the summer of 1818, in Henderson, Kentucky, Rafinesque made the acquaintance of fellow naturalist John James Audubon, and stayed in Audubon's home for some three weeks. Audubon, although enjoying Rafinesque's company, took revenge upon him (for an incident where Rafinesque damaged one of Audubon's prized violins) by describing fantastic, made-up species, prompting Rafinesque to publish descriptions of them.

In 1819, Rafinesque became professor of botany at Transylvania University in Lexington, Kentucky, where he also gave private lessons in French, Italian, and Spanish. He was loosely associated with John D. Clifford, a merchant who was also interested in the ancient earthworks that remained throughout the Ohio Valley. Clifford conducted archival research, seeking the origins of these mounds, and Rafinesque measured and mapped them. Some had already been lost to American development.

He was elected a member of the American Antiquarian Society in 1820.

Rafinesque started recording all the new species of plants and animals he encountered in travels throughout the state. He was considered an erratic student of higher plants. In the spring of 1826, he left the university after quarreling with its president.

He traveled and lectured in various places, and endeavored to establish a magazine and a botanic garden, but without success. He moved to Philadelphia, a center of publishing and research, without employment. He published The Atlantic Journal and Friend of Knowledge, a Cyclopædic Journal and Review, of which only eight issues were printed (1832–1833). He also gave public lectures and continued publishing, mostly at his own expense.

Rafinesque died of stomach and liver cancer in Philadelphia on 18 September 1840. The cancer may have been induced by Rafinesque's self-medication years before with a mixture containing maidenhair fern. He was buried in a plot in what is now Ronaldson's Cemetery. In March 1924, what were thought to be his remains were transported to Transylvania University and reinterred in a tomb under a stone inscribed, "Honor to whom honor is overdue."

Rafinesque published 6,700 binomial names of plants, many of which have priority over more familiar names. The quantity of new taxa he produced, both plants and animals, has made Rafinesque memorable or even notorious among biologists.

Rafinesque applied to join one of the western scientific expeditions organized by President Thomas Jefferson, but received notice of appointment to the Dunbar and Hunter Expedition only after his arrival in Sicily. After studying the specimens collected by the Lewis and Clark expedition, he assigned scientific names to the black-tailed prairie dog (Cynomys ludovicianus), the white-footed mouse (Peromyscus leucopus), and the mule deer (Odocoileus hemionus).

Rafinesque was one of the first to use the term "evolution" in the context of biological speciation.

Rafinesque proposed a theory of evolution before Charles Darwin. In a letter in 1832, Rafinesque wrote:

The truth is that Species and perhaps Genera also, are forming in organized beings by gradual deviations of shapes, forms and organs, taking place in the lapse of time. There is a tendency to deviations and mutations through plants and animals by gradual steps at remote irregular periods. This is a part of the great universal law of perpetual mutability in everything. Thus it is needless to dispute and differ about new genera, species and varieties. Every variety is a deviation which becomes a species as soon as it is permanent by reproduction. Deviations in essential organs may thus gradually become new genera.

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