1048
Omar Khayyám, Persian mathematician, astronomer, and poet (died 1131)
Omar Khayyám, Persian mathematician, astronomer, and poet (died 1131)
Omar Khayyám, Persian mathematician, astronomer, and poet (died 1131)
Persian polymath and poet (1048–1131)
Omar Khayyám, Persian mathematician, astronomer, and poet (died 1131)
Omar Khayyám, Persian mathematician, astronomer, and poet (died 1131)