Isaac Swainson (1746–1812) was famous for his

botanical garden A botanical garden or botanic gardenThe terms ''botanic'' and ''botanical'' and ''garden'' or ''gardens'' are used more-or-less interchangeably, although the word ''botanic'' is generally reserved for the earlier, more traditional gardens, an ...

, which was largely funded from the profits of a

herbal remedy Herbal medicine (also herbalism) is the study of pharmacognosy and the use of medicinal plants, which are a basis of traditional medicine. With worldwide research into pharmacology, some herbal medicines have been translated into modern remedies ...

for

venereal disease Sexually transmitted infections (STIs), also referred to as sexually transmitted diseases (STDs) and the older term venereal diseases, are infections that are spread by sexual activity, especially vaginal intercourse, anal sex, and oral se ...

. For his commercial activities in the latter field, he has been called a "radical

quack Quack, The Quack or Quacks may refer to: People * Quack Davis, American baseball player * Hendrick Peter Godfried Quack (1834–1917), Dutch economist and historian * Joachim Friedrich Quack (born 1966), German Egyptologist * Johannes Quack (b ...

".McCalman, Iain. "Newgate in Revolution: Radical Enthusiasm and Romantic Counterculture." ''Eighteenth-Century Life'' 22, (1998) 95-110 He was a relative of

William John Swainson William John Swainson FLS, FRS (8 October 1789 – 6 December 1855), was an English ornithologist, malacologist, conchologist, entomologist and artist. Life Swainson was born in Dover Place, St Mary Newington, London, the eldest son of ...

, the zoologist, and of Charles Swainson (naturalist). A plant

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

is named after him. A biography has been recently produced

Velnos' Vegetable Syrup

Swainson moved to London where he served as assistant to a Dr. Mercier in

Frith Street Frith Street is in the Soho area of London. To the north is Soho Square and to the south is Shaftesbury Avenue. The street crosses Old Compton Street, Bateman Street and Romilly Street. History Frith Street was laid out in the late 1670s an ...

Soho Soho is an area of the City of Westminster, part of the West End of London. Originally a fashionable district for the aristocracy, it has been one of the main entertainment districts in the capital since the 19th century. The area was develop ...

, where he settled. Later, he purchased from Mercier the recipe of a patent medicine called "Velnos' Vegetable Syrup", named after Vergery de Velnos. This was one of many cures for venereal diseases based on plants rather than

mercury Mercury commonly refers to: * Mercury (planet), the nearest planet to the Sun * Mercury (element), a metallic chemical element with the symbol Hg * Mercury (mythology), a Roman god Mercury or The Mercury may also refer to: Companies * Merc ...

, which is toxic. The brand became well-known and Swainson reputedly made as much as £5,000 a year from its sales. In addition to curing venereal diseases, including "the pox" and the "French disease", it was claimed to cure

leprosy Leprosy, also known as Hansen's disease (HD), is a long-term infection by the bacteria ''Mycobacterium leprae'' or ''Mycobacterium lepromatosis''. Infection can lead to damage of the nerves, respiratory tract, skin, and eyes. This nerve damag ...

gout Gout ( ) is a form of inflammatory arthritis characterized by recurrent attacks of a red, tender, hot and swollen joint, caused by deposition of monosodium urate monohydrate crystals. Pain typically comes on rapidly, reaching maximal intensit ...

, scrophula,

dropsy Edema, also spelled oedema, and also known as fluid retention, dropsy, hydropsy and swelling, is the build-up of fluid in the body's tissue. Most commonly, the legs or arms are affected. Symptoms may include skin which feels tight, the area ma ...

small pox Smallpox was an infectious disease caused by variola virus (often called smallpox virus) which belongs to the genus Orthopoxvirus. The last naturally occurring case was diagnosed in October 1977, and the World Health Organization (WHO) cer ...

consumption Consumption may refer to: *Resource consumption *Tuberculosis, an infectious disease, historically * Consumption (ecology), receipt of energy by consuming other organisms * Consumption (economics), the purchasing of newly produced goods for curren ...

tape worm Cestoda is a class of parasitic worms in the flatworm phylum (Platyhelminthes). Most of the species—and the best-known—are those in the subclass Eucestoda; they are ribbon-like worms as adults, known as tapeworms. Their bodies consist of m ...

cancer Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. These contrast with benign tumors, which do not spread. Possible signs and symptoms include a lump, abnormal b ...

scurvy Scurvy is a disease resulting from a lack of vitamin C (ascorbic acid). Early symptoms of deficiency include weakness, feeling tired and sore arms and legs. Without treatment, decreased red blood cells, gum disease, changes to hair, and bleeding ...

, and

diarrhea Diarrhea, also spelled diarrhoea, is the condition of having at least three loose, liquid, or watery bowel movements each day. It often lasts for a few days and can result in dehydration due to fluid loss. Signs of dehydration often begin wi ...

Birth Control in Nineteenth-Century England, by Angus Mclaren; 1978. Holmes & Meier
/ref> Swainson also studied the conventional medicine of the era and gained an MD in 1785. There is no record of his subsequent election to the

Royal College of Physicians The Royal College of Physicians (RCP) is a British professional membership body dedicated to improving the practice of medicine, chiefly through the accreditation of physicians by examination. Founded by royal charter from King Henry VIII in 1 ...

Sturt's Desert Pea

Swainson, who was less noted for botany, is honoured by the

name Swainsona, which is now known as the emblem of South Australia. Its common name is Sturt's desert pea.http://www.anbg.gov.au/emblems/sa.emblem.html Australian National Botanic Gardens

Publications

''Directions for the use of Velnos' Vegetable Syrup''
(1790)
''An Account of Cures by Velnos' Vegetable Syrup''
(1792)

References

1746 births 1812 deaths British botanists Herbalists {{herbalist-stub