Paper just came out, that considerably changes our perception about evolutionary ideas within the Muslim 'golden age': "An untold story in biology: the historical continuity of evolutionary ideas of Muslim scholars from the 8th century to Darwin’s time"
Evolutionary ideas of Muslim scholars before Darwin
Paper just came out, that considerably changes our perception about evolutionary ideas within the Muslim 'golden age': http://www.tandfonline.com/doi/abs/10.1080/00219266.2016.1268190?journalCode=rjbe20