Bob Jickling is Professor Emeritus at Lakehead University, Canada.Sean Blenkinsop is Professor at Simon Fraser University, Canada. Nora Timmerman is Lecturer at Northern Arizona University, USA. Michael De Danann Sitka-Sage (formerly Michael W. Derby) is Researcher at Simon Fraser University, Canada. The Crex Crex Collective includes: Hebrides, I., Independent Scholar; Ramsey Affifi, University of Edinburgh; Sean Blenkinsop, Simon Fraser University; Hans Gelter, Guide Natura & Luleå, University of Technology; Douglas Gilbert, Trees for Life; Joyce Gilbert, Trees for Life; Ruth Irwin, Independent Scholar; Aage Jensen, Nord University; Bob Jickling, Lakehead University; Polly Knowlton Cockett, University of Calgary; Marcus Morse, La Trobe University; Michael De Danann Sitka-Sage, Simon Fraser University; Stephen Sterling, University of Plymouth; Nora Timmerman, Northern Arizona University; and Andrea Welz, Sault College.