The Tragic End of Henry Moseley: Inventor of the Modern Periodic Table

TL;DR;

Henry Moseley, the inventor of the modern periodic table, tragically died at 27 in the Gallipoli battle. His work transformed the periodic table by linking an element's identity to its atomic number, confirming Bohr's model and predicting new elements. His death led to a ban on prominent scientists serving in front-line roles.