Frederick George Donnan FRS (September 6, 1870 - December 16, 1956) was an Irish chemist who spent most of his career at University College London. He served as Head of Department from 1928 to 1937. The Fellowship of the Royal Society was founded in 1660. ... September 6 is the 249th day of the year (250th in leap years). ... 1870 (MDCCCLXX) was a common year starting on Saturday (link will display the full calendar) of the Gregorian calendar (or a common year starting on Monday of the 12-day slower Julian calendar). ... December 16 is the 350th day of the year (351st in leap years) in the Gregorian calendar. ... 1956 (MCMLVI) was a leap year starting on Sunday of the Gregorian calendar. ...

The scientific work for which Donnan is largely remembered today is his research into membrane equilibria. The Donnan equilibrium is an important concept for ion transport in cells. There are very few or no other articles that link to this one. ...

Before World War II, Donnan was active is helping European refugees wanting to emigrate. Among those he assisted were H. Jahn and Edward Teller, who wrote their paper on the Jahn-Teller effect while in London. Edward Teller (original Hungarian name Teller Ede) (January 15, 1908 – September 9, 2003) was a Jewish Hungarian-American theoretical physicist, known colloquially as the father of the hydrogen bomb. ... The Jahn-Teller effect, sometimes also known as Jahn-Teller distortion, describes the geometrical distortion of the electron cloud in a non-linear molecule under certain situations. ...

Donnan was born in Sri Lanka and died in Canterbury, England. He was blind in one eye, and is often shown in profile. Canterbury is a cathedral city in east Kent in South East England and is the seat of the Archbishop of Canterbury, the Primate of All England, head of the Church of England and of the worldwide Anglican Communion. ... Motto (French) God and my right Anthem God Save the King (Queen) England() – on the European continent() – in the United Kingdom() Capital (and largest city) London (de facto) Official languages English (de facto) Government Constitutional monarchy  -  Queen Queen Elizabeth II  -  Prime Minister Tony Blair MP Unification  -  by Athelstan 967  Area...

External links

• University College London page on Donnan

• Obituary Transactions of the Faraday Society, 1957, volume 53, pp. 3 - 4

• Picture and signature of Donnan