From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). There is a poster on the stage that says "Einstein". 

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). 

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). Possibly Helen Caldicot on stage. 

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). 

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). There are many signs in the crowd protesting radiation. One of them say, "NO MORE RADIATION LEAKS CLOSE ROCKY FLATS NOW". 

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352). 

From the Sister Klaryta Antoszewska Photograph Collection (PH-00352).