There are likely more famous people who apprenticed as bookbinders and left the field, than bookbinders who are well known. Hope for all of us in a second career?
George Davis, 1850-1907, Father of chemical engineering
Rudolf Diesel, 1858-1913(?), Inventor of diesel engine
Johan Most, 1846-1906, Anarchist
Michael Faraday, 1791-1867, Discovered electromagnetic induction
Johann Strauss, 1804-1849, Musician
Josef Sudek, 1896-1976, Photographer
William Swain, Inventor of Quack Patent Medicine “Swaim’s Panacea”
Others?