Roger Fabian Wedgwood Pease (born 24 October 1936)^[1] is an engineer and William E. Ayer Professor of Electrical Engineering, Emeritus at Stanford University.^[2] He is also an emeritus member of the National Academy of Engineering^[3] and Fellow of the IEEE.^[4] His research includes work in the fields of micro- and nanofabrication, nanostructures,^[5] and miniaturization.^[6]

Pease was born in Cambridge,^[1] the youngest of 6 children of Helen Bowen Wedgwood and Michael Stewart Pease, making him a member of both the Pease and Wedgwood families. He attended Bedales School; after completing schooling, he joined the Royal Air Force in 1955, serving two years and becoming a radar officer.^[7][8] He received a Bachelor of Arts in 1960 from Trinity College, Cambridge, where he later received Master of Arts and Doctor of Philosophy degrees in 1964; that year, he moved to the United States.^[1]

Pease's Ph.D. was on improving the scanning electron microscope to resolutions below 10 nm.^[9]

Pease worked as an assistant professor at University of California, Berkeley from 1964 to 1967,^[4] after which he worked at Bell Labs.^[9] In 1978 he became a professor of electrical engineering at Stanford University, where he held the William Ayer Professorship.^[2] In 2009 he retired and was made emeritus. The Pease-Ye professorship at Stanford was named in his honor on its endowment.^[10]

Pease is credited as the co-inventor of microchannel cooling for chip stacks.^[11]