Frank Land (1928-), computer programmer and information systems theorist, was an early member of the team of programmers working for the catering company J. Lyons on their Lyons Electronic Office, LEO, the first computer used for commercial applications. He developed particular expertise on business systems and worked extensively with external clients. After the firm merged its computer business with thatof English Electric and then Marconi, Land left to take up a post at the London School of Economics as computer service manager and management research fellow. Here he helped establish the discipline of information systems before moving to the London Business School. After formal retirement he continued as an active member of the information systems research community.