Who is Dante Alighieri?

> ...and a masterpiece of world literature.

In Italy he is known as "the Suprene Poet" (Il Sommo Poeta) or just il Poeta. Dante, Petrarch ad Boccaccio are also known as "the three fountains" or "the three crowns". Dante is also called the "Father of the Italian Language". The first biography written on him was by Giovanni Boccaccio (1313-1375), who wrote the Trattatello in laude di Dante.