(Born: Leipzig, Germany, 19 May 1757; Died: Leipzig, Germany, 8 July 1823) German mineralogist.

Son of Christian Gottlieb Ludwig, Christian Friedrich was professor extraordinary of medicine (1782) and from 1787, professor ordinary of natural history at the University of Leipzig.

Biographical references: DBA: I 787, 23-34; II 835, 413. • Drugulin, Sechstausend Portraits, 1863: nos. 3448-50. • Hamberger & Meusel, Gelehrte Teutschland, 1796-1834. • Poggendorff: 1, col. 1513. • Schrader, Biographisch Lexicon der Tierärtze, 1863. • WBI.

1. German, 1803-4.
Handbuch | der | Mineralogie | nach | A.G. Werner. | Zu | Vorlesungen entworfen | von | Chrisitan Friedrich Ludwig | Professor in Leipzig. | [tapered rule] | Erster Theil. | Oryctognosie. | [tapered rule] | Mit einer Farbentabelle und vier Kupfertafeln. | [tapered rule] | Leipzig 1803 | bey Siegfried Lebrecht Crusius.

2 Theilen. [Theil 1: 1803] 8°: [Theil 2: 1804] 8°: [i]-xii, [1]-226 p., 4 tables.

Contents: [Theil 1]

[Theil 2] [i-ii], Title page, verso blank.; [iii]-xii, "Vorrede."-signed C.F. Ludwig, 9 April 1804.; [1]-198, Text.; 199-208, "Beylagen | zu der | Auswahl einer brauchbaren Litteratur | ..."; 209-218, "A.G. Werners | Mineral-System | vom Jahre 1803."; 219-226, "Register | über die | Gebirgsarten, Versteinerungen und neuern | Fossiliengattungen."; [At end], Tables.

Very rare. A work in two parts supporting Werner's theories of mineralogy, geology, and palaeontology. The first part deals with `Oryktognosie' or the determinative mineralogy. It is supported with a colored table and four copper plates. The second part deals with petrology and petrifications and contains four tables.

Bibliographical references: Dana's 7th (Bibliography): 76. • LKG: XII 163. • Ward & Carozzi, Geology Emerging, 1984: no. 1405.

2. Latin, 1790.
Delectus opuscul. ad histor. natur. spectant. V. 1. Leipzig, 1790.

8°: Very scarce.

Bibliographical references: LKG: VI 99.

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