(January 9, 1857 – April 12, 1936) was an architect, designer and educator in Boston, Massachusetts, in the late 19th and early 20th centuries.

[1] He was associated with the architecture department at the Massachusetts Institute of Technology[2] and was affiliated with Boston's Society of Arts and Crafts.

[6] Walker was a lecturer at the Massachusetts Institute of Technology and was associated with their department of architecture for forty-nine years.

[8] He also lectured at the Boston Museum of Fine Arts and Lowell Institute.

[5][8] Walker was one of six delegates for the United States at the International Congress of Architects in 1930 in Budapest.