[resource]+[mountain/stone/field/valley/tree] in German is a very common pattern for Jewish surnames. A quirk of how surnames were adopted in German-speaking regions in the 18th century

Sugar mountain at least makes sense, unlike e.g. wine stone

> wine stone

https://en.wikipedia.org/wiki/Potassium_bitartrate

Not strange. It's a Jewish name.

What about Altman?

I read somewhere once that Sam Altman sounds like a name for a fictional villain made up by Hideo Kojima for Metal Gear Solid, and it will never not make sense.

Saltman