Eduard Bitterlich was born in 1833.
Walter Bitterlich was born on 1908-02-19.
Eduard Bitterlich died in 1872.
Walter Bitterlich died on 2008-02-09.
Possibly- Operating out of Nashville, Tennessee, the partnership of Bitterlich & Legler was active circa 1862-1867. The firm was originally established by Bitterlich alone, and when Legler came on board they made up separate stamps for the "& Co" and "& LEGLER" marks, as opposed to scrapping the original Bitterlich stamps
Don Hahn was born in 1955.
Don Manley was born in 1945.
Don Gorton was born in 1960.
Don Kirkham was born in 1908.
Don Kissick was born in 1970.
Don Harrán was born in 1936.
Don Laka was born in 1958.