Daniel Hudson Burnham, Director of Works
Charles B. Atwood, Designer in Chief
John W. Root, Burnham's Business Partner
Francis David Millet, Decorations Director
Daniel Chester French, Sculptor of Statue of the Republic
Frederick Law Olmsted, Landscape Architect
Sophia G. Hayden, Architect of the Women's Building
Louis Sullivan, Architect of the Transportation Building
Richard Morris Hunt, Architect of Administration Building​
Dankmar Adler, Architect of the Transportation Building
George Washington Gale Ferris Jr., Engineer of Ferris Wheel
Charles Follen McKim, Architect of Agricultural Building
George Post, Architect of Manufactures and Liberal Arts Building
Sol Bloom, Developer of Midway Plaisance
Robert Swain Peabody, Architect of Machinery Hall