Gemini | Marsden | Marsden, West Yorkshire | Project Gemini | Gerry Marsden | Gemini Ganesan | James Marsden | William Marsden | The Royal Marsden NHS Foundation Trust | Samuel Marsden | Marsden, Queensland | Gemini Awards | Brian Marsden | Marsden Hartley | Jason Marsden | Gemini 3 | Roy Marsden | Holden Gemini | Gemini (Swedish band) | Gemini (play) | Gemini Observatory | Gemini Air Cargo | Gemini 7 | Gemini- | David Marsden | Beryl Marsden | Bernie Marsden | 2011 Gemini Awards | 2010 Gemini Awards | Wright Gemini 2 |
The group offered the Sigma up to further development by other parties, selecting a proposal by David Marsden a professor of mechanical engineering at the University of Alberta (on sabbatical at Cranfield Institute of Technology and a glider pilot holding records with his own glider designs such as the Marsden Gemini).