Special thanks to Bruno Barros, Kevin Bartlett, Kit Blamey, David Bodlak, Heather Bodlak de Cancela, Sara Bodlak, Christine Bois, Alain Brizard, Tim Brown, Nick Brown, Jane Camblin, Martha Close, Joel Cohen, Joan Dimancescu, Steve Dodge, David Goldberg, Jerry Goldberg, Kate Goldberg, Gregor Guy-Smith, Dan Harder, Ellen Herda, Russ Jones, Laura Kelly, Alioune Kone El-Adji, Netta Maclean, Tarly Manak, Michael Markowitz, Peter McBain, Miguel Perez, Matthew Perifano, Ken Ralston, Norman Rainger, Bill Roberts, Hugh Robertson, Dan Rosenberg, Ian Rutherford, Patricia Sellars, Peter Sellars, Darren Scully, David Stockwell, David Sutcliffe, Tom Tompkins, Richard Ulffers, Rasmus Winther and hundreds of Biology and TOK students.

Dedicated with love to Mara Lea Brown and, with an eye towards posterity, for my children, Emma, Noah and William Brown.  

In memory of Edward Paul Charles Kelly, Brenda Kelly and Ronald Victor Brown.