Geoffrey Burnstock AC FAA FRS FMedSci (10 May 1929 – 2 June 2020) was a neurobiologist and President of the Autonomic Neuroscience Centre of the UCL Medical School.

In 1975, he became Head of Department of Anatomy and Developmental Biology at UCL and Convenor of the Center of Neuroscience.

He has been Director of the Autonomic Neuroscience Institute at the Royal Free Hospital School of Medicine since 1997.

[9] His lasting work with ATP-related signalling was first published in the 1970s, which led to a rapid surge in interest in the field and subsequently made him the most cited scientist in pharmacology and toxicology for several years during the 2000s.

According to The New York Times, Burnstock is recognised as "the scientist who brought ATP into the realm of brain research.