Name: Henry Moseley

Years: He was born in 1887 on November 23 in Weymouth, United Kingdom and died on August 10, 1915 in Gallipoli, Turkey.

How did Henry Moseley contribute to the understanding of the atom? 

Henry Moseley contribute to the understanding of the atom by discovering the atomic number and he discovered this by observing and measured X-ray spectra of various chemical elements using diffraction in crystals.

      What are some experiments they did?

He observed and measured the X-ray spectra of various chemical elements that were found by the method of diffraction through crystals.

The model his name is the Atomic model.

      Interesting facts:

He enlisted in the army when World War I broke out in 1914.

He was shot in the head by a Turkish sniper at the Battle of Suvla Bay.

He died at 27.