Mike Delves had an MSc from New Zealand and a DPhil from Oxford before coming to the University of Sussex in 1966-67 as a Research Fellow in Numerical Analysis and Computing.
At ACL he developed a program called TAPEWORM: Calculations on the Nuclear Three-Body Problem
He was a major user of HARTRAN as early as 1964 and helped to find early bugs in the system.
By 1973 he had left Sussex for the University of Liverpool where he was a major supporter of the NAG Library making contributions to the Library itself and also the management of NAG. He always had a strong interest in scientific languages and spent time working with Algol68 and Ada as well as Fortran.
He also had an interest in computer architectures and got involved with the Transputer Initiative where Liverpool hosted one of the Regional Centres and was the host to the first Transputer Conference in 1989. The photograph is Mike attending that Conference.
He died on 13 February 2011.