Originally posted by MetBierOpRonald Weyerstrass (NED) achieved the ICCF IM title in 1990, before the computer era. You can see this for yourself at the link below. Look at the pdf file labelled IM which is listed by country.
Owkay. I am not familiar with COR.IM
http://www.iccf.com/content/index.php?option=com_content&task=view&id=28&Itemid=50