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As a young French Marquis, I met Jean Bernoulli, a mathematician who introduced me to Leibnitz's philosophy and mathematics.

I signed a special pact with Bernoulli...I would send him a regular salary and he would send me his mathematical discoveries to "use as I wish."

Because of this unusual agreement, my name is attached to an evaluation technique for indeterminate forms (usually found in calculus texts), yet it was Bernoulli's idea.

I wrote the first published textbook on differentiable calculus...and it dominated the field for most of the 18th century.

Though I openly credited Bernoulli for his mathematical contributions and discoveries in my text, he later accused me of plagiarism.

Answer: Gullaume F. A. de L'Hopital (1661-1704)