“The MESSENGER Education and Public Outreach (EPO) Team, coordinated through Carnegie Science, announces the winning names from its competition to name five impact craters on Mercury … The newly selected crater names are Carolan, Enheduanna, Karsh, Kulthum, and Rivera.”
Under IAU rules, all new craters on Mercury must be named after an artist, composer, or writer who was famous for more than 50 years and has been dead for more than three years. … Yousuf Karsh was an Armenian/Canadian and one of the greatest portrait photographers of the twentieth century.”