Ciro Santilli
OurBigBook.comThey do seem to have been very innovative, and have had a very good work culture. They also had a huge impact on the Silicon Valley startup scene.
Some products they are known for:
- oscilloscopes
- Atomic clocks, notably highly portable ones, see e.g. Video "Inside the HP 5061A Cesium Clock by CuriousMarc (2020)"
- pocket calculator
HP Origins promotional documentary by HP (2006)
Source. A bit too star eyed, but gives some good ideas.