He was known for his extensive contributions to microeconomic and macroeconomic theory.
His major contributions to economics include advances in microeconomics of prices and utility, the Hicks compensation criterion in welfare economics, and the IS-LM model in macroeconomics.
Hicks was awarded the Nobel Prize in 1972 for his work in general equilibrium and welfare economics.
Hicks was born in 1904 and died at the age of 85 in 1989.