Herbst was a designer for Prestige (Fabrics) Limited, an illustrator and later principal lecturer at Royal Melbourne Institute of Technology in industrial design, graphics. In the 1950s, Herbst made three films on design: `Portraits in Fabric', (1950); `Language of Design', (1950); `Fabrics in Motion', (1951). In 1967, the course also included Wilby Rackham as lecturer and three tutors. Herbst retired in 1975.