Karl Theodor Wilhelm Weierstrass was born in Osterfelde, Westphalia (Germany) on October 31, 1815. Weierstrass was a famous mathematician in 19th-century Germany. The collection consists of one bound holographic manuscript titled "Theorie der Variationsrechnung. Vorlesung gehalten im Somersemester 1879 von Prof. Dr. C. Weierstrass." (Theory of variation accounting. Lectures given during the summer semester of 1879 by Prof. dr. C. Weierstrass.) The manuscript is written in German and is not...