The story
Founded by W. M. Kiplinger.1
W. M. Kiplinger (1891–1967), a former AP economics reporter, founded the eponymous Washington, D.C. company in 1920. With his son Austin H. Kiplinger (1918–2015) he co-founded Kiplinger's Personal Finance Magazine in 1947. Grandson Knight A. Kiplinger continued the dynasty until the 2019 sale to Dennis Publishing.
In 2015, the company's former headquarters in D.C., the Editors Building, was listed on the National Register of Historic Places.
From Wikipedia’s article on Kiplinger, shared under CC BY-SA 4.0.4