Toshihiro Higuchi is a historian of U.S. foreign relations in the 19th and 20th century. His research interests rest with science and politics in managing the trans-border and global environment. His dissertation on the Cold War science and politics of the worldwide fallout hazards of nuclear explosions through 1963 won the 2012 Oxford University Press USA Dissertation Prize in International History and Georgetown University's 2013 Harold N. Glassman Dissertation Award in the Humanities. Before returning to Georgetown where he originally received his Ph.D., he held positions at Stanford University, University of Wisconsin-Madison, and Kyoto University (Japan). He was a recipient of the Mellon/ACLS Dissertation Completion Fellowship (2010-2011) and New Faculty Fellowship (2012-2014). He is an official historian for the International Commission on Radiological Protection (ICRP) and also a member of a committee for research promotion in specialized areas, Japan Society for the Promotion of Science (JSPS).