Laurance R. Doyle is an American scientist who received his Ph.D. from the Ruprecht Karl University of Heidelberg. Doyle has worked at the SETI Institute since 1987 where he is a principal investigator and astrophysicist. From Wikipedia
Published in Marine Mammal Science, the study details 39 bubble rings produced by 11 whales to test non-human signaling models relevant to the search for extraterrestrial life.