<P> Organizations conducting breast cancer research have identified access to biological specimens as a top priority, and therefore honest broker systems are key to research because they increase access to specimens . </P> <P> In Diplomacy, an "honest broker" is an entity (individual or organisation) that is accepted by all sides in a negotiation as impartial . Neutrality does not equal an absence of interest; rather, the interest of the honest broker lies in a solution, without preference for either party involved in the conflict . </P> <P> German Chancellor Otto von Bismarck was the first to use the term (applied to himself) in connection with the 1878 Congress of Berlin . </P>

Who called himself an honest broker and where