Jan 10 Christian August Crusius, German philosopher and theologian, born in Leuna, Germany (d. 1775) Jan 12 Jacques Duphly, French composer and harpsichordist, born in Rouen (d. 1789) Jan 26 Claude Adrien Helvétius, French controversial philosopher (On the Mind), born in Paris, France (d. 1771) Jan 27 Vaclav Kalous [Simon à Scto Bartholomaeo], Czech composer, born in Solnice (d. 1786) Jan 29 Georg Christoph Wagenseil, Austrian court composer and pianist, born in Vienna (d. 1777) 1714 Famous Birthdays by Year 1716