Peter Littlewood is a British physicist

Physicist

A physicist is a scientist who studies or practices physics. Physicists study a wide range of physical phenomena in many branches of physics spanning all length scales: from sub-atomic particles of which all ordinary matter is made to the behavior of the material Universe as a whole...

 and former head of the Cavendish Laboratory

Cavendish Laboratory

The Cavendish Laboratory is the Department of Physics at the University of Cambridge, and is part of the university's School of Physical Sciences. It was opened in 1874 as a teaching laboratory....

. He previously headed the Theory of Condensed Matter group and the Theoretical Physics Research department at Bell Laboratories.

He is a long-standing fellow and alumnus of Trinity College, Cambridge

Trinity College, Cambridge

Trinity College is a constituent college of the University of Cambridge. Trinity has more members than any other college in Cambridge or Oxford, with around 700 undergraduates, 430 graduates, and over 170 Fellows...

, and he was awarded a Kennedy Scholarship

Kennedy Scholarship

Kennedy Scholarships provide full funding for six to eight British post-graduate students to study at either Harvard University or the Massachusetts Institute of Technology...

 to attend MIT in 1976. He was elected as a member of the Royal Society

Royal Society

The Royal Society of London for Improving Natural Knowledge, known simply as the Royal Society, is a learned society for science, and is possibly the oldest such society in existence. Founded in November 1660, it was granted a Royal Charter by King Charles II as the "Royal Society of London"...

in 2007 for his contributions to the theory of collective phenomena in condensed matter physics, the discovery of amplitude collective mode in superconductors, the invention of marginal Fermi liquid phenomenology for cuprate superconductors, and other work involving friction and force flow.