* Early Discoveries: While the structure of DNA was famously discovered in 1953 by Watson and Crick, the groundwork for this discovery was laid by earlier scientists like:
* Friedrich Miescher (1869): Isolated a substance from white blood cells he called "nuclein," which we now know is DNA.
* Phoebus Levene (early 1900s): Determined the basic building blocks of DNA (nucleotides) and their structure.
* Oswald Avery et al. (1944): Showed that DNA, not protein, carries genetic information.
* Continuous Evolution: DNA research has never stopped. It's a constantly evolving field with breakthroughs in:
* DNA sequencing (1977): The ability to read the order of DNA bases.
* Genetic engineering (1970s): The ability to manipulate DNA.
* CRISPR-Cas9 (2012): A revolutionary gene editing technology.
Therefore, there isn't a single creation date for DNA research. It's a field with roots in the 19th century that continues to flourish today.