 Arnold Thackray, the institution's first president, was awarded the 1983 Dexter Award for his contributions to the history of chemistry.Thackray was succeeded by Thomas R. Tritton, under whose leadership (2008-2013) the history of science museum opened to the public in its present location, and the fellowship program expanded.Following a global search, Carsten Reinhardt, a professor of the history of science from Bielefeld University, Germany, was chosen in August 2013 as President and CEO of the organization.