She was instrumental in helping to save his life after the failure of the 20 July Plot .
In 1953 , after the death of his first wife , he married his longtime colleague in trade union activism , Elfriede Kaiser - Nebgen ( 1890 -- 1983 ) .
colleague was instrumental in helping to save his life after the failure of the 20 July Plot .
In 1953 , after the death of his first wife , he married his longtime colleague in trade union activism , Elfriede Kaiser - Nebgen ( 1890 -- 1983 ) .