Hungarian-Argentine inventor (1899–1985) László József Bíró, Hispanicized as Ladislao José Biro, was an Argentine, Hungary-born inventor who patented the first commercially successful modern ballpoint pen. The first ballpoint pen had been invented roughly 50 years earlier by John J. Loud, but it was not a commercial success. 609,967 views on September 29, 2016 — Wikipedia's most-read article that day. Also most read: HTTP 404, Habeas Corpus Act 1679, Soraya Tarzi, Surgical strike. Wiki link