credits

Aicher, Otl. The World as Design. Ernst & Sohn, A Wiley Brand, 2015.

Rathgeb, Markus. Otl Aicher. Phaidon, 2015.

https://www.mascontext.com/observations/otl-aicher-metro-bilbao-architecture-and-landscape/underconsideration.com/speaku

https://www.mascontext.com/observations/otl-aicher-metro-bilbao-architecture-and-landscape/underconsideration.com/speakup/archives/004931.html

https://www.youtube.com/watch?v=RaPzBkk6Lj4&ab_channel=JeffCoffman

https://www.youtube.com/watch?v=lFqt7dU6XDI&ab_channel=MarkHolt

https://www.designworkplan.com/read/rotis-sans

https://www.artsy.net/article/artsy-editorial-bauhaus-lesser-known-ulm-school-seismic-impact-design

http://www.1972municholympics.co.uk/index.php

https://www.youtube.com/watch?v=EpQw7PkYppw&ab_channel=Designwritings

https://www.fonts.com/font/monotype/rotis-semi-sans/story

https://www.itsnicethat.com/news/otl-aicher-exhibition-graphic-design-070917

https://www.metropolismag.com/cities/the-olympic-feats-of-otl-aicher/

https://www.youtube.com/watch?v=qdj5FJmCz_0&ab_channel=CrowdfundingVideos