But it is also pointed out that this was not possible considering that Hasan existed much later and that according to the New World Encyclopedia they are not "chronologically compatible" and Heidi A. Ford , author of “Hierarchal Inversions, Divine Subversions: The Miracles of Rabi'a al-Adawiya,” also states that, although there are accounts of interactions between Hasan and Rabia, that it was “virtually impossible for them to have actually known” each other the other. Rabia continued until her death to write, to dedicate herself to God and to lead the life of an ascetic until 801 AD, a poet, and was the Sufi leader of many faithful followers both men and women. Many of the successes of Rabia are not documented by her and this was talked about earlier in the newspaper, she had no writers during her time to write them for