The correct options are
A de Broglie
B Davisson and Germer
The
Davisson - Germer experiment was conducted by American physicists Davisson and Germer in the years 1927, which confirmed the de Broglie hypothesis. This hypothesis advanced by de Broglie in 1924 says that particles of matter such as electrons have wave like properties.
G.P. Thomson observed that if the beam of electrons after passing through the thin foil of gold is received on the photographic plate placed perpendicular to the direction of the beam, a diffraction pattern is observed in which the electrons are scattered from the crystal in different directions.
Rutherford atomic model, also called nuclear atom or planetary model of the atom, description of the structure of atoms proposed (1911) by the New Zealand-born physicist Rutherford. The model described the atom as a tiny, dense, positively charged core called a nucleus, in which nearly all the mass is concentrated, around which the light, negative constituents, called electrons circulate at some distance, much like planets revolving around the sun.
So de Broglie, Davisson and Germer contributed to the wave nature of electron.
Hence options A,B are correct.