This paper reviews a remarkable experiment in organisation. At the centre of the story is James G. (Jim) March, one of the most influential scholars in management and organisation studies over the last half century. From 1954 to 1964, March was a leading member of the Graduate School of Administration (GSIA) at the Carnegie Institute of Technology, which was an extraordinary hotbed of ideas and research at that time. The group was led by Herbert Simon, a true polymath who is now recognised as a founding father of many scientific domains