José Ruiz López was President of the Booksellers Association of Spain in 1911 and participated in the second National Assembly of publishers and booksellers in Valencia in 1911.
Tito Ricordi was a music publisher, and the director of Casa Ricordi, which was founded by his great grandfather and still exists today. In 1889, having graduated in engineering, Ricordi focused on the family business, studying the economics of theatre and travelling widely to broaden his knowledge. In 1891 he introduced chromolithography and took over the management of Officine Ricordi, becoming director in 1912 when his father, Giulio, died. Tito is considered the father of modern operatic direction and took Casa Ricordi to worldwide renown. He brought Madame Butterfly to the United States, where it was performed for six months, and organized Giacomo Puccini’s fêted trips to Buenos Aires and New York. More information: Wikipedia
Albert Brockhaus succeeded his father in running the dictionary publisher F.A. Brochkaus from 1881 – 1921. He was also President of the German Publishers and Booksellers Association. More information: Wikipedia
John Murray IV took over the family publishing house founded in London in 1768 by John Murray (1737 – 1793). Murray IV was also a founding member of the Publishers’ Association and served as treasurer, vice-president and president. More information: The John Murray Archive
Emile Bruylant took over Bruylant–Christophe et Cie from his father, Jean Baptiste. Continuing to focus on legal books, he changed the company name to Etablissements Emile Bruylant in 1907 and ran it alongside Ernest Vandeveld. Both Bruylant and Vandeveld were Presidents of the Belgian Cercle de la Librairie, Vandeveld was a co–founder of the Syndicat des Editeurs Belges (now the Association des Editeurs Belges–ADEB). 5 generations of the Vandeveld family lead the Etablissements Emile Bruylant, which still exists, as part of the Groupe Larcier, and celebrated its 175th anniversary in 2013. More information: 175 years of Etablissements Emile Bruylant
Taking over Victor Masson et Fils from his father, Georges Masson grew the publishing house to cover professional scientific periodicals and the 100 volumes of the Dictionnaire encyclopédique des sciences médicales. He was also President of the Cercle de la Librairie. More information: Le Droit D’auteur (WIPO archive)