Gregor Mendel

Gregor Johann Mendel (20 July 1822– 6 January 1884) was a scientist, Augustinian friar and abbot of St. Thomas' Abbey in Brno, Margraviate of Moravia. Mendel was born in a German-speaking family in the Silesian part of the Austrian Empire (today's Czech Republic) and gained recognition as the founder of the modern science of genetics 30 years later of his dead. Mendel's pea plant experiments conducted between 1856 and 1863 established many of the rules of heredity, now referred to as the laws of Mendelian inheritance.

Mendel studied the inheritance of seven different features in peas, including height, flower color, seed color, and seed shape. To do so, he first established pea lines with two different forms of a feature, such as tall vs. short height. He grew these lines for generations until they were pure-breeding, always produced offspring identical to the parent, then bred them to each other and observed how the traits were inherited.

I admire him because he made bases of the modern genetic; something that explains how works our genetic material generation after generation, answering the question why we are all different.