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1878-1942 Lawrence Joseph Henderson (June 3, 1878 – February 10, 1942) was an American physiologist, chemist, biologist, philosopher, and sociologist. He became one of the leading biochemists of the early 20th century. His work contributed to the Henderson–Hasselbalch equation, used to calculate pH as a measure of acidity.
Outdated of course but a ground breaking work in its time, that represents hiw a good deal of scientists felt when discovering the dizzying number of fitness coincidences between chemistry, biology, the earth, and life.