Which founder famously created the first mass-produced slide rule with a cursor in 1859, revolutionizing engineering calculations and establishing a company that dominated the mathematical tools market for over a century?

Throughout history, mathematical tools and calculators have revolutionized how we solve complex problems. Behind these innovations stand visionary product designers and company founders who transformed abstract mathematical concepts into practical tools. This poll tests your knowledge of the pioneers who bridged the gap between theoretical mathematics and everyday problem-solving technology.

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William Oughtred, founder of Keuffel & Esser
Amédée Mannheim, creator of the Mannheim slide rule
Edwin Thacher, developer of the cylindrical slide rule
Albert Nestler, founder of Nestler Slide Rules Company