During his career, Robertson was a one-time NBA champion, one-time NBA MVP, and a twelve-time all-star. Robertson was inducted into the Naismith Memorial Basketball Hall of Fame in 1980 and is considered one of the greatest players to ever play the game.
The Russian chemist Dmitri Mendeleev was the first scientist to make a periodic table similar to the one used today. [citation needed] Mendeleev arranged the elements by atomic mass, corresponding to relative molar mass.
Mendeleev's Periodic Table. Original Russian Version Mendeleev is credited with creating the first real periodic table of the elements, where trends (periodicity) could be seen when the elements were ordered according to atomic weight. See the ? and blank spaces? Those are where elements were predicted.