Sheykh abu saeed fazl allah ebne Abalkhaire:

He was born in Mihane (East of Iran) in 936 A.D (357A.H). His father had pharmacy He went to Marv to learn the Islamic laws (Religious). After he learnt went to Nayshabour. He knew Quran & literature very well. This great & famous poet was died i1019 in his birthplace.

Hermant Ete wrote in his book (History of Farsi literature): We can know him, the originator of Rubai (A poem with 4 distiches). His innovation

Have 2 faces:

1-He just composed with this method