Niels Bohr was born and ... After receiving his doctorate in 1911, Bohr traveled to England on a study grant and worked under J.J. Thomson, who had discovered the electron 15 years earlier.

Niels Bohr adapted Ernest Rutherford's nuclear model. Bohr did calculations that led him to suggest that electrons orbit the nucleus in shells. The shells are at certain distances from the nucleus.

Niels Bohr's Nobel Lecture ... the later development of quantum mechanics. Bohr's work on atomic structure also laid the foundation for later discoveries in nuclear physics and chemistry ...

Niels Bohr was born and ... After receiving his doctorate in 1911, Bohr traveled to England on a study grant and worked under J.J. Thomson, who had discovered the electron 15 years earlier.