This film is John Ott’s 29-minute narrated version of Helen Tieken Geraghty’s one and a half hour musical stage ...
![Exploring the Spectrum [Parts I & II]](https://collections.chicagofilmarchives.org/media/cfa/images/5/0/25513_ca_object_representations_media_5095_small.jpg)
A documentary in three parts produced by John Nash Ott which investigates the effects of natural and artificial light on fundamental biological pro...
A short film that documents the experimental testing of the effects of full spectrum light versus fluorescent lighting upon human arm strength.