This term was invented in 1971, by Murray Gell-Mann, an architect of the Standard Model, and his student Harald Fritzsch as they sat eating ice cream at a Baskin-Robbins store in Pasadena, California.

这个术语是在 1971 年由标准模型的建筑师 Murray Gell-Mann 和他的学生 Harald Fritzsch 在加利福尼亚州帕萨迪纳的 Baskin- Robbins 商店坐着吃冰淇淋时发明的。