"Hertz"@en-us . "0"^^ . . "Gustav Hertz"@en-us . . . "0"^^ . "11046722-n"^^ . . "Hertz"^^ . . . . . "German physicist who with James Franck proved the existence of the stationary energy states postulated by Bohr (1887-1975)"@en-us . "Gustav Ludwig Hertz"@en-us . . . "110328505"@en-us . . . "111046722"^^ .