Walter Noddack was a German chemist born on March 27, 1893, in Berlin. He is best known for his work in the field of chemistry and for co-discovering the element rhenium in 1925, alongside his colleagues Otto Berg and Ida Tacke. Rhenium is a rare metal used in various industrial applications, including catalysts and high-temperature superalloys. In addition to his work on rhenium, Noddack contributed to the discovery of other elements and conducted research on the periodic table. He was also involved in the study of nuclear chemistry and made significant contributions to the understanding of radioactive elements. Noddack's work has had a lasting impact on the field of chemistry.