Sadism (sexual pleasure obtained by inflicting harm on others): Count Donatien Alphonse François de Sade (1740-1814), French soldier and novelist.

Sandwich (two slices of bread with a filling between them): John Montagu, 4th Earl of Sandwich (1718-92), English diplomat.

Saxophone (a musical instrument): Antoine-Joseph Sax, aka Adolphe Sax (1814-1894), Belgian inventor.

Shrapnel (an artillery shell filled with small metal projectiles): Henry Shrapnel (1761-1842), British army officer.

Sideburns (facial hair in front of the ears): Gen. Ambrose Everett Burnside (1824-1881), Union soldier.

Silhouette (outline of an object): Etienne de Silhouette (1709-1767), French minister of finance in 1759.

Stetson (a cowboy hat): John Bauerson Stetson (1830-1906), American hat-maker.

Teddy Bear (toy bear): Theodore Roosevelt (1858-1919), U. S. president.

Tommy gun (45-caliber submachine gun): Gen. John Taliaferro Thompson (1860-1940), U. S. soldier.

Uzi (submachine gun): Uziel Gal (1923-2002), Israeli inventor.

Zeppelin (airship): Count Ferdinand von Zeppelin (1838-1917), German general and aeronautical pioneer.