John William Mullin (22 August 1925 – 11 March 2009) was a Ramsay Memorial Professor of Chemical Engineering and world expert in crystallisation.
[1] Mullin's joined the University College London, where he completed a postgraduate diploma in chemical engineering in 1952, and then a PhD in 1955.
[1] In 1956, he joined the Ramsay department of chemical engineering at University College London, first as a lecturer, and from 1961 as a reader, before becoming a professor in 1969.
[3] While under M. B. Donald, the Ramsay professor of chemical engineering, Mullin's built a strong research group in the field of crystallisation.
[8] In 1970, Mullin was jointly awarded the IChemE Moulton Medal with J Nyvlt for the most meritorious paper published by the Institution.