Aga Khan gets two out of three in Derby , Mahmood first , Taj Akbar second , Thankerton third . Mahmoud , owned by the Aga Khan and ridden by C Smirke won the Derby at Epsom . Taj Akbar , also owned by the Aga Khan , was second with Gordon Richards up and Mrs J Shand ' s Thankerton , ridden by T Burns , was third . Photo shows , the field at Tattenham . 27 May 1936 *** Local Caption ***