Life of Omar Al-Khayyami

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. My sincere thanks are due to Mrs E. Logan Calder, to whom I am indebted for many valu able suggestions, and for her kindness in revising my English ms.; also to Prof. E. G. Browne of Cambridge, from whose admirable transla tion of Clad/gar Magala I have made several quotations.