Total number of photos: 22310

1931

Paul S. Alexandroff, Heinz Hopf

On the Photo:

Location: Z├╝rich

Source: archives of P. Roquette, Heidelberg and Clark Kimberling (photo from Otto Neugebauer)

Year: 1931

Copyright: unknown

Photo ID: 9270

Find related pictures

Publications

If you would like to use this picture in the given resolution, please adhere to our general copyright policy.

In case you need the picture in high resolution, you may request it using the form below.

Intended use:
Intended publication: book, article, other (please specify), private use:
Publisher:
Comments:

Please enter your name, institution, address and email address, too:

Institution:
Name:
Address:
Email: