Sincere thanks are due to: Martin Allen, Bruno Barros, Kit Blamey, Mara Lea Brown, David Bodlak, Heather Bodlak de Cancela, Christine Bois, Alain Brizard, Jane Camblin, Minakshi Capur, Joel Cohen, Joan Dimancescu, Steve Dodge, Fabrice Florin, David Goldberg, Kate Goldberg, Gregor Guy-Smith, Dan Harder, Ellen Herda, Alioune Kone El-Adji, Netta Maclean, Tarly Manak, Michael Markowitz*, Peter McBain, Jessica Mclaughlin, John Mendelsohn, Scott Paton, Miguel Perez, Matthew Perifano, Ken Ralston, Norman Rainger, Bill Roberts, Colleen Rohan, Dan Rosenberg, Ian Rutherford, Sara Sawyer, Patricia Sellars, Peter Sellars, Darren Scully, David Stockwell, David Sutcliffe, Charlie Thompson, Tom Tompkins, Richard Ulffers, Ian Williams, Rasmus Winther; and a generation of IB Biology and TOK students.