Principal, Eugene L. McAllaster, Engineer, Seattle, WA, c. 1900; McAllester maintained his office in Rooms 503-504 of the Pioneer Building in 1900. Western Representative, Detroit Shipbuilding Company, Builders of Steam Vessels and Machinery, Seattle, WA, 1900; a Seattle Times classified ad under the heading "Engineers and Contractors" appeared on 03/16/1905, p. 14, noting that McAllester's office was located in Rooms 503-504 of the Pioneer Building. This ad spelled his name "McAllister."