Niels Henrik David Bohr was a Danish physicist and Nobel laureate who made significant contributions to the field of atomic physics. His name is often associated with quantum mechanics and his model of the atom, which proposed that electrons are arranged in energy levels or shells. Synonyms for Niels Henrik David Bohr might include "atomic physicist," "quantum theorist," "Nobel laureate," or simply "Bohr." He is also sometimes referred to as the "father" of the nuclear age, due to his work on nuclear fission and the development of the atomic bomb. Other potential synonyms could include "atomic structure pioneer," "quantum visionary," or "atomic theorist".