Roger Fletcher FRS FRSE (29 January 1939 – 15 July 2016)[1] was a British mathematician and professor at University of Dundee.
[2] He was a Fellow of the Society for Industrial and Applied Mathematics (SIAM)[3] and was elected as a Fellow of the Royal Society in 2003.
[4] In 2006, he won the Lagrange Prize from SIAM.
[5] In 2008, he was awarded a Royal Medal of the Royal Society of Edinburgh.
[6]