Hardy [3, p. xxxv] says of (1): “It would be difficult to find more beautiful formulae than the ‘Rogers-Ramanujan’ identities, but here Ramanujan must take second place to Rogers; and, if I had to select one formula from all Ramanujan’s work, I would agree with Major MacMahon in selecting [(1)].” Hence, I refer to (1) as “Ramanujan’s most beautiful identity.”