Sir Oliver Simon D'Arcy Hart is a British-American economist, currently the Lewis P. and Linda L. Geyser University Professor at Harvard University. Together with Bengt R. Holmström, he received the Nobel Memorial Prize in Economic Sciences in 2016. The Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel 2016, announced October 10, 2016. Oliver Hart and Bengt Holmström, “for their contributions to contract theory”. Oliver Hart: born 1948, London, United Kingdom. Bengt Holmström: born 1949, Helsinki, Finland. Wiki link Wiki link Data: the Nobel Foundation (CC0).