Roger David Blandford FRS is an astronomer and astrophysicist. He is a Fellow of the Royal Society and Fellow of the American Academy of Arts and Sciences. He is currently Pehong and Adele Chen director of the Kavli Institute for Particle Astrophysics and Cosmology (KIPAC), Professor at the Stanford Linear Accelerator Center (SLAC) and Luke Blossom Professor in the School of Humanities and Sciences at Stanford University. He was born in Grantham and grew up in Birmingham. He is famous in the astrophysical community for the Blandford-Znajek Process which is a model for the extraction of energy from a black hole. In April 2005 he wrote a letter to the astronomy community showing his concern about the George W. Bush administration US space science policy.