Down to Earth was endorsed by a number of celebrities including Martin Sheen, David Suzuki, Farley Mowat and Marc Garneau.
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Other publications include Raising Humanity, which features introductions by Emmy-award-winning actor Martin Sheen and Canada's First Astronaut Marc Garneau.
From inside Endeavour, Canadian Mission Specialist Marc Garneau used the Canadarm to remove the P6 truss from the payload bay, maneuvering it into an overnight park position to warm its components.
Marc Jacobs | Marc Chagall | Marc Anthony | Marc Ribot | Marc Almond | Marc Nelson | Marc Bolan | Jean-Marc Lofficier | Marc Cohn | Marc Connelly | Franz Marc | Marc Lavoine | Marc Garneau | Marc Quinn | Marc Newson | Marc Lazar | Marc Isambard Brunel | Marc Allégret | MARC Train | Marc Forster | Marc Blitzstein | Marc Bamuthi Joseph | Marc Augé | Marc-Antoine Charpentier | Marc | Marc Mellits | Marc LeBlanc | Marc Kudisch | Marc Ducret | Marc Daubert |
The book counts 14 authors from various political affiliations: André Pratte, Daniel Fournier, Jean Leclair, Benoît Pelletier, Marie Bernard-Meunier, Patrice Ryan et Frédéric Bérard, François Pratte, Martin Cauchon, Pierre Gerlier-Forest, Hervé Rivet and Fabrice Rivault, Marc Garneau, Mathieu Laberge.
In October 1984 it was used to simulcast coverage from NASA TV of Canada's first astronaut in space, Marc Garneau aboard the Space Shuttle Challenger.