The scientist who was responsible for developing Viagra has been knighted.
Dr Simon Campbell oversaw the development of the erectile dysfunction drug for Pfizer. Since it went on sale in 1998 more than a billion of the pills have been sold.
He also helped develop Cardura, which is used to treat high blood pressure and angina, and Norvasc, for high blood pressure and prostate enlargement, some of the world’s bestselling prescription drugs.
He has authored more than 110 patents and publications.
Campbell, 73, retired from Pfizer in 1998 and was highly critical when the American pharmaceuticals company announced it was to close its giant research centre at Sandwich, Kent, in 2011, saying it would compromise the UK’s status as a centre of excellence for pharmaceutical research.
During his tenure as President of The Royal Society of Chemistry he campaigned for more funding and an improved image for chemistry.
He was made a CBE for services to science in 2006.