Pioneer of new methods of producing building materials; his memorial makes liberal use of his products. (bio by: David Conway)  Family links:  Spouse:  Bertha Luise Amalie Fluegel Hoffmann (1816 – 1898)*  Children:  Agathe Hoffmann (1848 – 1855)*  Eda Hoffmann (1849 – 1855)*  Fritz Hoffmann (1851 – 1855)*  Hans Hoffmann (1854 – 1855)*  Bertha Auguste Marianne Hoffmann Von Braun (1866 – 1919)* *Calculated relationship