Johann Georg Albrechtsberger was an Austrian composer, organist, and music theorist, and one of the teachers of Ludwig van Beethoven. He was also a friend of Haydn and Mozart. Wikipedia
Born: February 3, 1736, Klosterneuburg, Austria
Died: March 7, 1809 (age 73 years), Vienna, Austria
Children: Franz Seraph Albrechtsberger
Books: J.G. Albrechtsberger's Collected Writings on Thorough-bass, Harmony, and Composition, for Self Instruction: With Many Explanatory Examples, J. G. Albrechtsberger's Collected Writings on Thorough-bass, Harmony and Composition for Self-instruction..; Volume 1, Collected Works on Thorough-Bass, Harmony, and Composition, for Self-instruction. with Many Explanatory Examplesz. Arr. , Enl. and Edited by His Pupil Ignaz Chevalier Von Seyfried, and more