It's been well-recorded how profound has been Rams' influence on Jonathan Ive at Apple.

This film really drives that home.

To see the interview I conducted with Dieter Rams in 2009 for the BBH Labs blog, click here: http://j.mp/193fsk

His Ten Principles of Good Design are enduringly strong.

Good design is innovative.
Good design makes a product useful.
Good design is aesthetic.
Good design helps us to understand a product.
Good design is unobtrusive.
Good design is honest.
Good design is durable.
Good design is consequent to the last detail.
Good design is concerned with the environment.
Good design is as little design as possible.
Back to purity, back to simplicity.

Thanks to @brainpicker for the link.