Viktor Schreckengost's many illustrious design students included John Nottingham and John Spirk, founders of Nottingham-Spirk Design Associates. Located in the former First Church of Christ Scientist on Overlook Road, which was a prototype for Severance Hall, Nottingham-Spirk was responsible for designing the first Dirt Devil Bagless Vacuum and the Crest SpinBrush. | Date: Ca. 1931 | Source: Nottingham-Spirk Design AssociatesDownload Original File
