- Jul 4 Istvan Ferenczi, Hungarian sculptor, dies at 64
Amedeo Avogadro
Jul 9 Amedeo Avogadro, Italian scientist who contributed to molecular theory, including what is known as Avogadro's law (6.022 x 10 ^ 23), dies at 79

Amedeo Avogadro
Robert Schumann
Jul 29 Robert Schumann, German composer (Humoresque, Neue Zeitschrift fuer Musik), dies at 46

Robert Schumann