[2] He is not to be confused with Giovanni Stradano or Jan Van der Straet (1523–1605), a Flanders-born artist active mainly in 16th-century Florence.
[3] He frequented the Roman artistic community headed by Mario Mafai, Orfeo Tamburi, Corrado Cagli and Giovanni Omiccioli in the 1930s.
[3] At the end of the war he founded the group I quattro fuori strada along with the artists Toti Scialoja, Arnoldo Ciarrocchi and Piero Sadun.
[6] The work represented the meeting, which actually took place, between Pope Pius XII and the famous Italian cyclists Fausto Coppi and Gino Bartali, in the presence of numerous characters represented as caricatures, among whom many recognized Italian president Luigi Einaudi, politicians Giulio Andreotti and Giuseppe Saragat and cardinal Alfredo Ildefonso Schuster.
After the sixties, his works continue to re-elaborate recurrent themes (series of cyclists, harlequins, Roman nocturnes and open up to fantastic and caricatural notations.