De Harak was notable as a designer who covered a broad spectrum of applications with a distinctly modernist aesthetic.
After serving in World War II, de Harak was influenced by two lectures given by Will Burtin and György Kepes which compelled him to pursue graphic design.
Along with Saul Bass, Alvin Lustig and others, de Harak helped found the Los Angeles Society for Contemporary Designers before he moved to New York City to become art director for Seventeen for just 18 months.
[1] At the same time, de Harak drew illustrations for Esquire and soon began his long tenure in teaching.
"[1] He designed a three-story digital clock installed on the exterior of 200 Water St. (previously 127 John St.) in New York City.