sentences:  Mixner's most significant contribution to the anti-Vietnam War effort was his role as one of the head organizers of the Moratorium to End the War in Vietnam.The idea was prompted by Jerome Grossman, a Massachusetts businessman active in the peace movement.Grossman proposed to Sam Brown, a close friend of Mixner, that they set aside a day in 1969 where “business as usual” would come to a halt, essentially engaging in a strike against everything.