Sakdina Chatrakul Na Ayudhya’s  job as a historian is to study the past.  And by doing so, he joins political protests of all sides and collects things that some people might now consider to be rubbish. Published caption:: Since the Oct 14, 1973, uprising, historian Sakdina Chatrakul Na Ayudhya has been  collecting political  memorabilia from protests of all sides.