1) English surname 2) River of Chile 3) River of South America 4) River in The New World 5) River of The Americas 6) River in Chile 7) River in The Americas 8) River in South America Found on https://www.crosswordclues.com/clue/waddington
C. H., British embryologist and geneticist, 1905-1975. ... See: waddingtonian homeostasis. ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973