1852-1916. Scottish chemist who, with Lord
Rayleigh, discovered argon 1894. In 1895
Ramsay manufactured helium, and in 1898, in
cooperation with Morris Travers, identified
neon, krypton, and xenon. In 1903, with
Frederick Soddy, he noted the transmutation
of radium into helium, which led to the
discovery of the density and atomic weight of
radium. Nobel prize 1904.