The story
Named after American botanist and biochemist Robert Emerson (1903–1959), who described the effect in 1957.
Etymology from Wiktionary, CC BY-SA 4.0.
Emerson effect
Today it means: The increase in the rate of photosynthesis after chloroplasts are exposed to light of wavelength less than 680 nm (deep red spectrum) and more than 680 nm (far red spectrum). Full definition →