May 05

Born in 1918, Clifton Hillegass studied geology at the University of Nebraska before launching his publishing career. In 1958, he founded CliffsNotes to help students navigate classic literature. Under his leadership, CliffsNotes became a staple of American education, offering concise summaries and analyses. Hillegass prioritized affordability and accessibility, ensuring study guides were available to all students. His innovative approach expanded the company’s offerings to include a wide range of subjects beyond literature. By the time he retired, CliffsNotes had sold millions of copies worldwide. Hillegass’s legacy endures through the continued popularity of his study guides.

Born in 1904 in Elkhart, Indiana, Paul W. Klipsch developed a passion for sound and engineering early on. He earned a degree in electrical engineering from Stanford University before embarking on his career. In 1946, Klipsch founded Klipsch Audio Technologies with a mission to produce high-fidelity loudspeakers. His pioneering designs, including the Klipschorn speaker, set new standards in audio reproduction. Klipsch’s commitment to quality and innovation propelled his company to international acclaim. Over decades, his loudspeakers found a devoted following among audiophiles and professionals. Paul Klipsch’s influence endures in the audio industry, where his designs remain iconic.

Born in 1917 in Minnesota, Robbins developed a passion for ice cream that led him to open an ice cream shop in California in 1945. He partnered with his brother-in-law Burt Baskin to create Baskin-Robbins, introducing the innovative "31 flavors" marketing idea. Under his leadership, the company grew into the world’s largest ice cream chain by the 1960s. Robbins was known for his dedication to quality and customer experience, expanding the brand globally. He sold his stake in the company in 1967 but continued to influence the ice cream industry through consulting and philanthropy. Robbins passed away in 2008 at the age of 90, leaving a lasting legacy in the dessert world.