I'm also posting this because I had the pleasure to write about Expo 64 for the Expo themed new issue of the excellent Modernist magazine. More about that later.
And let's see if I can cram some more posts about Expo64 into the year of its 50th anniversary.
1-2 Musée Historique de Lausanne
3-6 by Josiane Blaser-Noverraz from her Expo64 album at notrehistoire.ch
7-9 via this Pinterest album