German chemist and professor (1803–1873) who made overwhelming contributions in the fields of agricultural and biological chemistry. AQS in German on an off-white 5.5 x 9 sheet from a calendar book, signed in black ink, “J. v. Liebig.” In full (translated): "Faith is the enemy of knowledge, It (faith) knows why? Knowledge destroys faith.” In fine condition. Pre-certified PSA/DNA.
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