9TH EDITION

Thomas Spencer Baynes - Chief Editor (1875-87)
William Robertson Smith - Joint Editor (1880-87); Chief Editor (1887-89)


10TH EDITION

Sir Donald Mackenzie Wallace - Joint Chief Editor (1900-02)
Hugh Chisholm - Joint Chief Editor (1900-03)


Read more:
All Contributors to Encyclopaedia Britannica, 9th and 10th Editions
About the Encyclopaedia Britannica, 9th and 10th Editions