Written by Stephen Mansfield and Simon Richamond written by Chris Hadfield and Kate Fillion written and researched by Simon Richmond written by Stephen Gass and Sandy Damashek written and researched by Trent Holden and Simon Richmond. written and researched by Simon Richmond. written by Sarah Barrell and Kate Simon written by Stephen S. Birdsall and John Florin written by Catherine Chan, Simon Lau written by Simon Hugo and Amy Richau