Quickly, Hoyle's theory was expanded to other processes, beginning with the publication of a celebrated review paper in 1957 by Burbidge, Burbidge, Fowler and Hoyle (commonly referred to as the B2FH paper).
Negli anni seguenti furono aggiunti molti dettagli alla teoria di Bethe, come un famoso articolo del 1957 pubblicato da Margaret Burbidge, Geoffrey Burbidge, William Fowler e Fred Hoyle.