Brian May greatest guitarist of all time. He was ranked at No. 26 on "Rolling Stone" magazine's list of the "100 Greatest Guitarists of All Time". In 2012, he was ranked the 2nd greatest guitarist in a "Guitar World" magazine readers poll. May was appointed a CBE by Queen Elizabeth II in 2005 for "services to the music industry and for charity work". May earned a PhD in astrophysics from Imperial College London in 2007, and was Chancellor of Liverpool John Moores University from 2008 to 2013. He was a "science team collaborator" with NASA's New Horizons Pluto mission. He is also
President and Rector of Imperial College London President and Rector of Imperial College London The President of Imperial College London is the highest academic official of Imperial College London. The President, formerly known as the Rector, is the chief executive, elected by the Council of the college and Chairman of the Senate. The position is currently held by Alice Gast, who succeed Keith O'Nions in August 2014. In 2012 the responsibilities were separated into two posts, the President & Rector whose duty is to "promote Imperial's position as a global university" and Provost who will "be responsible for advancing and delivering the College's core academic mission -