It is a timely article as we recently reported that Kodak joined the new wave with a re-introduction of Ektachrome via its subsidiary Aliris.
The image of the Marx Brothers at left is a great illustration. The boys are at the races and are looking at a “photo finish” of one race in a darkroom of the era. Harpo (left) holds a big news camera (Graflex?), Groucho inspects a negative while Chico looks on too, holding a betting slip.