The founder, and builder, in 1940 was Raffaele De Rose. "*Quando la bicicletta era il solo mezzo di fortuna, nel 1940 durante la guerra, mio padre De Rosa Raffaele costruiva biciclette per lavoro, lasciando in eredità l'arte e la passion e per la bicicletta*. <http://www.derosabike.it/>"
Angel Garcia Verona, Italy
These other De Rosa bikes show up from time to time. Now they have a websit
e
and it says, "Fabbrica Biciclette De Rosa Dal 1940, Pozzuoli (NA), Marchio
Registrato". It also refers to the founder as being Achille De Rosa, and ha
s
photos of a Sandro De Rosa now building alu and carbon frames. The website
is http://www.derosabike.it/
Angel Garcia
Verona, Italy