Graeme C. Simsion is a New Zealand-born Australian author, screenwriter, playwright, and data modeller, best known for his first novel The Rosie Project.
Graham Tillett Allison Jr. is an American political scientist and the Douglas Dillon Professor of Government at the John F. Kennedy School of Government at Harvard University. He is known for his contributions in the late 1960s and early 1970s to the bureaucratic analysis of decision making, especially during times of crisis. His book Remaking Foreign Policy: The Organizational Connection, co-written with Peter Szanton, was published in 1976 and influenced the foreign policy of the Carter administration. Since the 1970s, Allison has also been a leading analyst of U.S. national security and defense policy, with a special interest in nuclear weapons and terrorism.
Graham Diamond is an author who writes across multiple genres, including fantasy and science fiction. He has published twenty novels with more than a million copies of his books in print.
Graham E. Fuller is an American author and political analyst, specializing in Islamist extremism. Formerly vice-chair of the National Intelligence Council, he also served as Station Chief in Kabul for the CIA. A "think piece" that Fuller wrote for the CIA was identified as instrumental in leading to the Iran–Contra affair.
Graham Paul Farmelo is a biographer and science writer, a Fellow at Churchill College, University of Cambridge, U.K., and an Adjunct Professor of Physics at Northeastern University, Boston, U.S.A. He is best known for his work on science communication and as the author of The Strangest Man, a prize-winning biography of the theoretical physicist Paul Dirac. He lives in London.
Graham Bruce Hancock is a British writer who promotes pseudoscientific theories involving many ancient civilizations and lost lands. Hancock speculates that an advanced ice age civilization was destroyed in a cataclysm, but that its survivors passed on their knowledge to hunter-gatherers, giving rise to the earliest known civilizations of ancient Egypt, Mesopotamia, and Mesoamerica.
Graham Harman is an American philosopher. He is Distinguished Professor of Philosophy at the Southern California Institute of Architecture in Los Angeles. His work on the metaphysics of objects led to the development of object-oriented ontology. He is a central figure in the speculative realism trend in contemporary philosophy.