simultaneous discovery, n.All

Simultaneous discovery (n.) suggests ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠that the field, not the lone researcher, does the discovering: the finding breaks out at several places at once.