List of Famous people who died in 1930

László Rátz,, was a Hungarian mathematics high school teacher best known for educating such people as John von Neumann and Nobel laureate Eugene Wigner. He was a legendary teacher of "Budapest-Fasori Evangélikus Gimnázium", the Budapest Lutheran Gymnasium, a famous secondary school in Budapest in Hungary.

Bryan Ricco Cooper was an Irish politician, writer and landowner from Markree Castle, County Sligo. He was prominent in Dáil Éireann in the early years of the Irish Free State, having previously served as MP to Westminster for South County Dublin (1910), a seat he subsequently represented in the Dáil from 1923 to 1930.

Richard Luttrell Pilkington Bethell, 3rd Baron Westbury was a British soldier and peer, a member of the House of Lords from 1875 until his death.

Cecil William Norton, 1st Baron Rathcreedan was a British Liberal Party politician.

Rafael Merry del Val y Zulueta, was a Spanish Roman Catholic cardinal.

Joseph Achille Le Bel was a French chemist. He is best known for his work in stereochemistry. Le Bel was educated at the École Polytechnique in Paris. In 1874 he announced his theory outlining the relationship between molecular structure and optical activity. This discovery laid the foundation of the science of stereochemistry, which deals with the spatial arrangement of atoms in molecules. This hypothesis was put forward in the same year by the Dutch physical chemist Jacobus Henricus van 't Hoff and is currently known as Le Bel-van't Hoff rule. Le Bel wrote Cosmologie Rationelle in 1929.

Lieutenant-Colonel Cuthbert James was a British soldier and Conservative politician.