19th-century Lutherans

Christoph von Sigwart (28 March 1830 – 4 August 1904) was a German philosopher and logician. He was the son of philosopher Heinrich Christoph Wilhelm Sigwart (31 August 1789 – 16 November 1844).

Eberhard Nestle (1 May 1851, Stuttgart – 9 March 1913, Stuttgart) was a German biblical scholar, textual critic, orientalist, editor of the Novum Testamentum Graece, and the father of Erwin Nestle.

Victor Baltard (9 June 1805 – 13 January 1874) was a French architect famed for work in Paris including designing Les Halles market and the Saint-Augustin church.

Eduard Gottlob Zeller (German: [ˈtsɛlɐ]; 22 January 1814, Kleinbottwar – 19 March 1908, Stuttgart) was a German philosopher and Protestant theologian of the Tübingen School of theology. He was well known for his writings on Ancient Greek philosophy, especially Pre-Socratic Philosophy, and most of all for his celebrated, multi-volume historical treatise The Philosophy of Greeks in their Historical Development (1844–52). Zeller was also a central figure in the revival of neo-Kantianism.