While researching for a series of articles I've been writing for another website on Erich Bachem, I found details of the Hirth Aero-Sport caravan that he designed in the 1930s. It bears an amazing resemblance to modern 'teardrop' vans, don't you think?
Aero-Sport caravan.jpg - Bild entfernt (keine Rechte)
Eriba13.jpg - Bild entfernt (keine Rechte)
Eriba14.jpg - Bild entfernt (keine Rechte)