 Milligan later also served as Chairman of the Company.A statue of Milligan, crafted by Richard Westmacott in May 1809, stood in front of the Museum of London Docklands.The statue was removed on 9 June 2020 by the local authority to "recognise the wishes of the community", following the removal of Edward Colston's statue in Bristol by anti-racism protesters in response to the killing of George Floyd.