Greg has been a frequent vistor to GAS, and has always been a very entertaining and dynamic speaker. He is a regular contributor to the UK's leading astronomy magazine - Astronomy Now. Here's a picture of Greg as he welcomed visitors to the 2007 AstroFest.
|Date||Talk at GAS meeting|
|6 Sep 2007||The Solar System Today|
|1 Sep 2011||Pluto - an enigmatic world
Download Greg's presentation here [PPT: 20.8MB, Members only].