Dané kantun ring pamargi muputangnyurat "cakepan agengnayné" jagi nyihnayang asil saking panyelehan dané rikala Alfred Russel Wallace nguningayang untengé punika miwah nyobiahang ring sané kakirim ring Darwin mangda kalanturang ring Charles Lyell.
He was in the process of writing his "big book" to present his research when the naturalist Alfred Russel Wallace independently conceived of the principle and described it in an essay he sent to Darwin to forward to Charles Lyell.