This project was originally conceived by Nitin Nohria, Richard P. Chapman Professor of Business Administration at Harvard Business School. It was researched and written by Nitin Nohria and Amanda Pepper from HBS's Leadership Initiative, with additional research and writing by XPLANE.

All design and illustrations created by XPLANE. All music and photography used is in the public domain, royalty free or P.R. material. Trademarks and logos are copyright their registered owners.

Special thanks to Tony Mayo, with thanks also to Letty Garcia, Jose Pacheco, Patricia Dirlam, David Fowler, Deborah Bell, Patricia Hernandez, Kaitlyn Simpson and Steven Taylor.

About Nitin Nohria: Nitin Nohria is Richard P. Chapman Professor of Business Administration at Harvard Business School and Co-Chair of the Leadership Initiative. The author of more than 10 books and over 100 articles and cases, his work centers on leadership and sustainable corporate performance. His current passion is restoring the lost public trust in leadership by inspiring a larger number of people to take on leadership challenges that contribute to the common good. The Leadership Initiative (LI) was created to support Harvard Business School’s mission “to educate leaders who make a difference in the world.” The Initiative seeks to champion research and course development and offer programs and colloquia that address critical leadership and leadership development challenges and opportunities. Our ambition is to encourage interdisciplinary exchange and bridge the gap between scholarship and practice. Links: http://drfd.hbs.edu/fit/public/facultyInfo.do?facInfo=bio&facEmId=nnohria & http://www.hbs.edu/leadership/

About XPLANE: Founded in 1993, XPLANE is an information design consultancy that drives better results for many of the world’s leading organizations including Microsoft, Nokia, ITT, and BP through visual thinking and design. XPLANE offers clients unique and personalized service through its employees’ diverse backgrounds and areas of expertise, including journalism, consulting, technology, marketing, training, illustration, interaction, process improvement, information design and architecture. Global XPLANE headquarters are in Portland, Ore. USA; European offices are based in Madrid, Spain and a third office is located in St. Louis, Mo. USA. Link: http://www.xplane.com/

Music credit: "Pillow Time" by Mehdi Hedayetizadeh and Paresh Gohel (Punkpopstar/Shockwave-Sound)

Font credit: Archer, by Hoefler & Frere-Jones

Photo credits for the long version: United States Library of Congress, The National Archives, The Ronald Reagan Presidential Library, The National Park Service, Wikimedia Commons, iStockphoto, Habitat For Humanity, Tata Group, Hutchison Whampoa, O'Reilly Media, Agência Brasil, Google, World Economic Forum, The George Grantham Bain Collection, Britain's Imperial War Museum Collections, The University of Miami, buddhismus.at, wherethehellismatt.com, Martin Hagberg, Marion S. Trikosko, Mark Hirschey, Alan Light, Joe Brockmeier, Enrique Dans, Matthew Yohe, Frances Benjamin Johnston, Oren Jack Turner, Martin Rowe, Phil P. Harris, Muhammad Yunus, Bertha Howell, David Shankbone, Ricardo Stuckert, Vinukumar Ranganathan, James Duncan Davidson, Antônio Milena, Artaxerxes, WietsE, Wa, Cali12345, Chinneeb, Komencanto, YEPPOON, Moffett, Domer48, Masae, compulsiveprep8, Radiocontrolled, Matt-80, NyxoLyno Cangemi, Alexander Gardner, Mark O'Donald, Rick Weston, Steve Lipofsky, Caleb Williams, Giuseppe Zizza, Ian Burt, Dick DeMarsico, Ricardo Stuckert, Georgii Zelma, Erlend Kvalsvik, Johnny Lye, Zhang Bo, Shelly Perry, btrenkel, Jacom Stephens, Cliff Parnell, Laurence Gough, Rosemarie Gearhart and Sheryl Griffin.