Charles Chesters
Charles Geddes Coull Chesters OBE FRSE FLS( 1904 – 1993) was a British botanist of international acclaim, specialising in fungis and lichens.
Thomas Hoy (poet)
Thomas Hoy( 1659- 1718) was an English physician and poet.
Pierfelice Ravenna
Pierfelice( Pedro Félix, Pierre Félice) Ravenna( born 1938) is a Chilean botanist of Italian Jewish origin.
His research interests are mainly in the field of South American Amaryllidaceae.
Thomas Hoy (botanist)
Thomas Hoy (c.1750 – 1 May 1822) was an English gardener and botanist employed by the Duke of Northumberland at Syon House in Middlesex in the United Kingdom, a position he held for 40 years.
Described as "an experienced botanist and able cultivator" he became a fellow of the Linnean Society of London in 1788 and presented a number of flowering plants to the society from which several species were first formally described including the Australian plants "Acacia suaveolensAcacia myrtifolia" and "Goodenia ovata".
He died in Isleworth in 1822 aged 72.
Botanist Robert Brown named the plant genus "Hoya" in his honour describing Hoy as someone "whose merits as an intelligent and successful cultivator have been long known to the botanists of this country".
George Bentham
George Bentham( 22 September 1800 – 10 September 1884) was an English botanist, described by the weed botanist Duane Isely as" the premier systematic botanist of the nineteenth century".
Augustin Lippi
Augustin Lippi(* 1678 in Paris; † November 10, 1705 in Sennar) was a French physician and botanist of Italian descent.
Frank J.D. Barnjum
Frank John Dixie Barnjum (April 26, 1858 – February 18, 1933) was a merchant and political figure in Nova Scotia, Canada.
He represented Queens County in the Nova Scotia House of Assembly from 1925 to 1926 as a Conservative member.
Anna Russell (botanist)
Anna( Worsley)
Russell( November 1807 – 11 November 1876) was a British botanist.
She has been described as" perhaps the ablest and most outstanding woman field botanist of her time".
Thomas Martyn (zoologist)
Thomas Martyn( probably 1760 – 1816) was an English zoologist, conchologist and entomologist.
He should not be confused with the botanist of the same name.
Richard Cunningham (botanist)
Richard Cunningham (12 February 1793 – April 1835) was an English botanist who became Colonial Botanist of New South Wales and superintendent of the Sydney Botanic Gardens.

Question: Are Frank J.D. Barnjum and Thomas Hoy (Botanist) of the same nationality?
Answer: no