Lev Landau was a prominent Soviet physicist born on January 22, 1906, in Baku, Azerbaijan. He made significant contributions to various fields of physics, including quantum mechanics, superfluidity, and condensed matter physics. Landau's work earned him the Nobel Prize in Physics in 1962 for his research on the properties of liquid helium. In addition to his research, Landau was known for his ability to teach and mentor young scientists. He co-authored the influential Landau-Lifshitz series, a collection of textbooks that cover many areas of theoretical physics. Landau passed away on April 1, 1968, leaving a lasting legacy in the scientific community.