Arnold, son of Frida and Bernard Rosenthal, was born in Frankfurt am Main in Germany on September 25, 1913. On June 6, 1967, the first day of the Six-Day War, the Syrian planes attacked Arnold in a police boat in the Kinneret. Three bullets put an end to his life. Sergeant Arnold fell during his service. He was fifty-four years old when he fell. He was laid to rest in the cemetery in Tiberias.