As we approach the 101st running of the Indianapolis 500 this weekend, three of our favorite (and renowned) automotive design geeks join Diego to discuss the lost art of hand painted racing numbers. Graphic designers, car enthusiasts, and appreciators of of craft will likely agree: these #PrimalNumbers are worth saving.

Jump in on the conversation and find out more about #PrimalNumbers on Medium (https://medium.com/primalnumbers) + Twitter (https://twitter.com/hashtag/PrimalNumbers).

Find our guests on the Twitter: @JRHildebrand @reillybrennan @deancrew7

And as always, we love hearing from you: @ideofutures or [email protected]

Cover image: Marmon Wasp via #PrimalNumbers