Question

which reformer was not a journalist who investigated corruption in business or government?
ray stannard baker
william booth
lincoln steffens
upton sinclair

Explanation:

Ray Stannard Baker was a journalist who exposed issues. Lincoln Steffens was a muck - raking journalist. Upton Sinclair was a journalist (his The Jungle exposed meat - packing industry issues). William Booth was the founder of The Salvation Army, a religious and social service organization, not a journalist investigating business or government corruption.

Answer:

William Booth