the nominations remain secret for years, but here's who can nominate Peace Prize candidates:
Members of national assemblies and national governments (cabinet members/ministers) of sovereign states as well as current heads of states
Members of The International Court of Justice in The Hague and The Permanent Court of Arbitration in The Hague
Members of l’Institut de Droit International
Members of the international board of the Women’s International League for Peace and Freedom
University professors, professors emeriti and associate professors of history, social sciences, law, philosophy, theology, and religion; university rectors and university directors (or their equivalents); directors of peace research institutes and foreign policy institutes
Persons who have been awarded the Nobel Peace Prize
Members of the main board of directors or its equivalent of organisations that have been awarded the Nobel Peace Prize
Current and former members of the Norwegian Nobel Committee (proposals by current members of the Committee to be submitted no later than at the first meeting of the Committee after 1 February)
Former advisers to the Norwegian Nobel Committee
so basically he only needs a professor with no pride.