Along with his friend Allen McClelland and his Virginian & Ohio, Koester popularized the idea of proto-freelancing with his HO scale model railroad, the Allegheny Midland. At Purdue University in the early 1960s, he studied electrical engineering, communication, and art.
Koester, along with his friend Allen McClelland and his Virginian & Ohio, played a key role in introducing the concept of freelance work before it became mainstream. He showcased this idea through his HO scale model railroad, the Allegheny Midland. At Purdue University in the early 1960s, he explored studies in electrical engineering, communication, and art.