Who proposed the Law of Limiting Factors in photosynthesis?

Which is the major limiting factor for photosynthesis during the day?

Which external factors affect plants?

Photosynthetic organisms occur at different depths in the ocean. Do they receive qualitatively and quantitatively the same light? How do they adapt to carry out photosynthesis under these conditions?

The Law of Limiting Factors was proposed by:

The Law of Limiting Factors was proposed by .........