Joseph William Mellor

c. 1902

Mellor Papers, Photograph Album, Box 11

Unpublished

This photograph of Joseph William Mellor was probably taken not long after he gained his doctorate from Owens College, Manchester in 1902. The equation on the blackboard is part of van der Waals equation named for Dutch physicist and Nobel Prize winner Johannes Diderik van der Waals (1837-1923). It enables scientists to calculate the transitional phases that a gas undergoes to become a liquid