The names of the Party leaders under attack have been crossed out.
Peng Dehuai is the best known among the four attacked here. He was Marshal of the People's Liberation Army, and criticized Mao during the Great Leap Forward. In 1966 he is arrested and maltreated. He dies in captivity in 1974. Luo Ruiqing, Chief of Staff of the PLA, attempts suicide after being accused and maltreated, but survives and is rehabilitated in 1975.
This poster was published in Wuhan and signed by several rebel student organizations:
New Lake University (新湖大 - Xinhuda) 
New China Workers (新华工 - Xinhuagong)
Second Steel Division New China Normal University and New Sports Institute (鋼二司·新华师 新体院 - Gangersi Xinhuashi Xintiyuan)
Mao Zedong Thought Red Guards ‘Lujiangzong’(?) (毛泽东思想红卫兵魯姜总ㄗ - Mao Zedong Sixiang Hong Weibing Lujiangzong)
Dandong Luyi 65 Fighting Group (丹东魯艺65战团 - Dandong Luyi 65 Zhantuan)