The name of Iowa- and Nebraska-based "Hamilton College" no longer exists. All seven campuses are now named Kaplan University. Hamilton College was the DBA name of the Iowa College Acquisition Corporation, a company that owns and operates independent, private, for-profit colleges. Hamilton College had seven campuses in Iowa and Nebraska. Iowa College Acquisition Corporation is owned and operated by Kaplan Higher Education, a subsidiary of the Washington Post Company. Hamilton College was originally established by Ward Hamilton in Mason City, Iowa, in 1900 as a business school. This makes it the oldest continuously operating college in the state of Iowa specializing in business education. In 1980, Hamilton opened a campus in Cedar Rapids. A third campus was established in Des Moines in 1988. In 1998, Hamilton College was purchased by Quest Education Corporation, which was later acquired by Kaplan, Inc. and renamed Kaplan Higher Education Corporation. Shortly thereafter the Nebraska College of Business and the Lincoln School of Commerce, also owned by Quest, were renamed Hamilton College-Omaha and Hamilton College-Lincoln respectively.