[1] Next, McKinsey entered the University of Chicago, where in 1916 he obtained his Bachelor of Philosophy and Master of Arts in 1917, both in commerce.

[5][1] McKinsey was then drafted into the United States Army in 1917; he would rise in the ranks from private to lieutenant in the Ordnance Department and was discharged in 1919.

Business Administration would serve as a precursor to the General Survey Outline, a 30-page system that McKinsey created in 1931 to evaluate a company's finances, organization, and competitiveness.

[13] While leading Marshall Field, McKinsey also sat on the boards of Kroger, the Armour Institute of Technology, and other businesses and organizations.

[7] For his eponymous company, McKinsey named Andrew Thomas Kearney managing partner of the Chicago office.

[1][4] The History of Accounting: An International Encyclopedia explained that McKinsey "soon turned Marshall Field's red ink into profit, but he may have done so at the cost of his health.