[dapperdrake]

That sounds surprisingly non-random.

Graph theory originated in Chemistry. Not Computer Science.

Musicians know harmonics and indirectly lots of cyclical travel stuff. And waves.

The good car mechanics I know are scary smart.

[SJC_Hacker]

You may as well say graph theory had its origins in Ancient Rome when they built the road network.

Most trace it back to Euler when he considered the problem of Seven Bridges of Konigsberg https://en.wikipedia.org/wiki/Seven_Bridges_of_K%C3%B6nigsbe...