Bohr founded the Institute of Theoretical Physics at the University of Copenhagen, now known as the Niels Bohr Institute, which opened in 1920. Bohr mentored and collaborated with physicists including Hans Kramers, Oskar Klein, George de Hevesy and Werner Heisenberg.
mineral. n. 1. (Minerals) any of a class of naturally occurring solid inorganic substances with a characteristic crystalline form and a homogeneous chemical composition.2. any inorganic matter.3. (Mining & Quarrying) any substance obtained by mining, esp a metal ore.4. (Cookery) (often plural) Brit short for mineral water.oun. 1. mineral-solid homogeneous inorganic substances occurring in nature having a definite chemical composition. material, stuff-the tangible substance that goes into the makeup of a physical object; coal is a hard black material; wheat is the stuff they use to make bread.
1 A mineral is an element or chemical compound that is normally crystalline and that has been formed as a result of geological processes (Nickel, E. H., 1995).  Minerals are naturally-occurring inorganic substances with a definite and predictable chemical composition and physical properties.. (O' Donoghue, 1990).