the top women owned businesses in the United States. Kathryn Hach-Darrow was president, chief operating officer, and CEO of the Hach company. After Clifford's death in 1990, Kitty was named Hach Co.'s chairman and CEO and her son Bruce assumed the role of president. In 1995, she married Donald Darrow, a retired airline pilot, becoming Kitty Hach-Darrow. In 1999, Kitty and her son Bruce sold the Hach company to Danaher Corporation. Awards and honors In 1957, Kathryn and Clifford Hach jointly won the American Water Works George Warren Fuller Award for distinguished service in the water supply field. In 1987, the Hach Company was elected the Best Company in Colorado, receiving the award for the Northeastern part of the state. In 1992, she was honored by Northwood University with an Outstanding Business Leaders Award. In January 2000, she was voted a member of the Colorado Business Hall of Fame (sponsored by the Denver Metro Chamber of Commerce and Junior Achievement). Kathryn "Kitty" Hach-Darrow received the second annual Pittcon Heritage Award in 2003. In 2004, Kitty Hach-Darrow received the honorary degree of Doctor of Humane Letters from Colorado State University. Philanthropy In 1982 the Hachs established the Hach Scientific Foundation to support chemistry in the classroom through grants to students and schools. In January 2009, the Hach Scientific Foundation transferred its assets to the American Chemical Society, which continues to administer the scholarship and grant programs. In May 2000, Kathryn Hach-Darrow gave a $10 million gift to Northwood University. The Hach Student Life Center, a 62,212 square foot student center which includes classrooms, social areas, and sports facilities, opened in 2002. Kitty Hach-Darrow and the Hach family were significant contributors to the building of Hach Hall, a new chemistry building dedicated at Iowa State University on October 8, 2010. Through gifts in 2012 and 2014, Hach-Darrow established an endowment for the Kathryn C. Hach Award for Entrepreneurial Success through the American Chemical Society. The award is to be given to someone who has "created something where nothing existed before”. References 1922 births 2020 deaths 20th-century American businesswomen 20th-century American businesspeople 20th-century American philanthropists American chemical industry businesspeople American chief executives of manufacturing companies American chief operating officers American nonprofit chief executives American women chief executives American women company founders American company founders American women philanthropists Aviators from Missouri Businesspeople from Missouri Iowa State University alumni Columbia College (Missouri) alumni People from