patents on the family. Recent research by Eckehart Schumacher-Gebler, IndraKupferschmid and Dan Reynolds has clarified many aspects of Akzidenz-Grotesk's
Font Bureau with an article on the history of Helvetica by Professor IndraKupferschmid. Unlike earlier digitisations, Schwartz created two different optical
or 'Ideal', from the H. Berthold AG foundry, which is according to IndraKupferschmid a Venus clone. Its name descends from William Thorowgood's 1832 face