What is Martin Rees?
{{Infobox officeholder | honorific-prefix = [[The Right Honourable]] | name = The Lord Rees of Ludlow | honorific-suffix = {{postnominals|country=GBR|size=100|OM|FRS|HonFREng|FMedSci|FRAS|HonFInstP}} | image = Official portrait of Lord Rees of Ludlow crop 2.jpg | caption = Official portrait, 2019 | title = [[President of the Royal Society]] | order = 60th | term_start = 2005 | term_end = 2010 | predecessor = [[Robert May, Baron May of Oxford|The Lord May of Oxford]] | successor = [[Paul Nurse]] | title2 = [[President of the Royal Astronomical Society]] | order2 = 78th | term_start2 = 1992 | term_end2 = 1994 | predecessor2 = [[Ken Pounds]] | successor2 = [[Carole Jordan]] | title3 = [[Master of Trinity College, Cambridge]] | order3 = 39th | term_start3 = 2004 | term_end3 = 2012 | predecessor3 = [[Amartya Sen]] | successor3 = [[Sir Gregory Winter]] | title4 = [[Member of the House of Lords]]<br />[[Lord Temporal]] | term_start4 = 6 September 2005<br />[[Life Peerage]] | term_end4 = | birth_date = {{birth date and age|df=yes|1942|6|23}} | birth_place = [[York]], England | death_date = | death_place = | party = None ([[crossbencher]]) | spouse = {{marriage|Dame [[Caroline Humphrey]], Lady Rees|1986}} | website = {{URL|http://www.ast.cam.ac.uk/~mjr/}} | module = {{Infobox scientist | embed = yes | field = [[Astronomy]]<br />[[Astrophysics]] | work_institution = [[University of Cambridge]]<br />[[University of Sussex]] | education = [[Shrewsbury School]] | alma_mater = [[Trinity College, Cambridge]] ([[Bachelor of Arts|BA]], PhD) | thesis_title = Physical processes in radio sources and inter-galactic medium | thesis_year = 1967 | thes