Sackler Lecture Theatre, IoA (tea at 3.30 pm) 1995-06-27 16:00: From Starburst Galaxies to Galaxy Formation: Results from Hubble Space Telescope (Colin Norman (John Hopkins)) 1999-05-12 16:00: Cosmic Illusions: How Nature Creates Giant Gravitational Telescopes (Roger Blandford (Caltech, USA)) 2003-05-12 16:00: Sensitive Systems: Chaos is come Again (Othello) (Ed Spiegel (Columbia)) 2004-05-06 16:30: The Last Gasp: Dynamics of Accretion onto Black Holes (Julian Krolik (John Hopkins University, Baltimore)) 2008-09-23 16:00: The Cosmology of Now and Then Through the First Light (Richard Bond, Canadian Institute for Theoretical Astrophysics (CITA)) 2015-11-05 16:00: The Growth of Supermassive Black Holes From Seeds to Maturity (Jenny Greene (Princeton University)) 2016-10-27 16:00: Dark Energy and Cosmic Sound (Daniel Eisenstein (Harvard-Smithsonian Center for Astrophysics).) 2018-02-15 16:00: Cosmology and Astrophysics from CMB Measurements (John Carlstrom (Chicago)) 2018-11-15 16:00: Gravitational wave science - observations and a forward look (Sheila Rowan (Glasgow).)