The Bakerian Medal and Lecture is awarded annually and is the premier lecture in physical sciences.
The lectureship was established through a bequest by Henry Baker FRS (PDF) of £100 for 'an oration or discourse on such part of natural history or experimental philosophy, at such time and in such manner as the President and Council of the Society for the time being shall please to order and appoint'. The lecture series began in 1775.
Professor Susan Solomon ForMemRS was awarded the 2018 Bakerian Lecture in recognition of her outstanding contributions in atmospheric science, in particular to the understanding of polar ozone depletion.
Professor Andy Hopper CBE FREng FRS was awarded the 2017 Bakerian Lecture for his outstanding research in computer technology, with significant economic impacts, in particular his work in computer networking and sentient computing systems with an aim to providing sustainability.
Professor Andrea Ghez was awarded the 2016 Bakerian Lecture for her acclaimed discoveries using the techniques of optical astronomy, especially her sustained work on the motions and nature of the stars orbiting the black hole in the centre of our Galaxy.