Robert Clayton (City of London MP)
Sir Robert Clayton (1629–1707) was a British merchant banker, politician and Lord Mayor of London.

Life
Robert Clayton was born in Northamptonshire, England. He became an apprentice to his uncle, a London scrivener, where he met a fellow apprentice, Alderman John Morris. They became successful businessmen and established the bank, Clayton & Morris Co. 

Clayton entered politics, representing London and Bletchingley alternately as a Whig between 1679 and his death in 1707. 
He was knighted in 1671. 
Clayton made a considerable fortune. 
In 1697 he lent the king £30,000 to pay for the army. 
In the mid-1650s Clayton purchased Brownsea Island and its castle.

He was president of the St Thomas' Hospital in London which was then located in the Borough. He employed Thomas Cartwright to rebuild the hospital and St Thomas Church nearby.  
A statue of Clayton now stands at the North Entrance to Ward Block of North Wing at St Thomas' Hospital and is Grade I listed.

Robert Clayton was a member of the Scriveners and Drapers Company, an Alderman of Cheap Ward in the City of London (1670–1683), a Sheriff in 1671, Lord Mayor of London (1679–1680), a member of parliament for the City of London or Bletchingley for most of the years 1679 to 1707, Colonel of the Orange Regiment of militia (various times, 1680–1702), President of the Honourable Artillery Company (1690–1703), Commissioner of the Customs (1689–1697), an Assistant to the Royal African Company (1672–1681) and a director of the Bank of England (1702–1707).

In the 1690s, Clayton was the head of the earliest known Freemason lodge entirely made-up of non-working masons in London.