The 555 chip, imagined as delicious chocolate-covered graham crackers. And it was indeed a tasty chip, a major landmark in electronics. Photo (CC-BY) Windell H. Oskay.

Inventor of 555 Dies; Remember Him with an Atari Punk Console, Circuit You Can Make

Hans R. Camenzind, the Swiss-born engineer who worked in the United States, is responsible for major advancements in electronics and circuit design, but perhaps none so great as the 555 chip. This single integrated circuit is one of the most ubiquitous ever created, but even more importantly, has been for many a curious youngster, electronics hobbyist, or musician a window into the world of electronics. It can be a key to a world where you make your own electronic creations, rather than just relying on some distant manufacturer to produce them for you in a sealed case. And, oh yes, …