Engine designer/builder Vittorio Jano posing in front of entry #1 and WINNER at Monza for the Italian GP on 19 October 1924, this Alfa Romeo P2, driven by Antonio Ascari (not in picture). <a class="external autonumber" href="https://en.wikipedia.org/wiki/1924_Italian_Grand_Prix">[1]</a> Ascari's mechanic Giulio Ramponi to the right. Not sure who the one in the middle is, he is in almost all the Alfa pictures from this event.
Unknown photographer
<a rel="nofollow" class="external autonumber" href="https://assets.hemmings.com/blog/wp-content/uploads//2018/08/619377.jpg">[2]</a>