sentences:  In 1969 Charles Manson and the Tate/ La Bianca murders took place in L.A. and Dowd's artist friend John Altoon died of a sudden heart attack at age 44.In late 1969 Dowd began a new series of paintings "Through the Object Barrier" and in 1970 he moved to SoHo, New York.In 1970 Dowd worked on his "Through the Object Barrier" series.