Scheme by Bessel Kok and George Hoch
Described in
"On the evolution of the concept of two light reactions and two photosystems for oxygenic photosynthesis: A personal perspective"
Addendum 1: The 1959-1961 scheme by Bessel Kok and George Hoch for the "Two Light Reaction and Two Pigment System in Photosynthesis" as redrawn by Dorothy Loudermilk from original. See the preceding paper by Govindjee (2023) in 'Photosynthetica' for a discussion of the work of Kok and Hoch.
