Who were Charles Coughlin, Francis Townsend, and Huey Long and what criticisms did they make of the New Deal and FDR?

One major threat to FDR came from father Charles Coughlin the radio priest from Detroit he was an original supporter of the new deal however he turned against Roosevelt when he refused to nationalize the banking system and provide for the free coinage of silver as the decade progress Coughlin turned openly anti-somatic blaming the great depression on an international conspiracy of Jewish bankers
Francis Townsend a doctor from Long Beach California propose the old age revolving pension this plant called for very American over the age of 60 to retire to open up jobs for the younger unemployed he felt that the new deal had not gone far enough.
Another person considered to be a greatest threat to Roosevelt politically was Huey long he was governor of Louisiana in 1928 he would use intimidation and strong arm tactics to scare off legislature and into providing roads and bridges to the poorest parts of the state he started a movement called share our wealth he propose 100% tax on personal fortunes exceeding $1 million