Watson and Crick elucidated the structure of DNA. Stop saying that they discovered DNA! This was done by another guy you probably haven't heard of! And therein lies a story. academic.oup.com/genetics/art...
Before Watson and Crick in 1953 Came Friedrich Miescher in 1869
Abstract. The story of genetics typically omits the original discovery of the molecular nature of DNA: Friedrich Miescher's 1869 discovery of the substance
academic.oup.com