John Lambert's life and career have long deserved this revealing study. The man who made Cromwell Lord Protector in 1653 also stopped him becoming king in 1657; and Lambert was the originator of the Instrument of Government, on which Cromwell's Protectorate was based. Committed to his deeply held, radical beliefs, Lambert first rose to prominence as a dashing cavalry commander in the civil wars of 1642 - 51, and he was a prominent upholder of the power of the New Model Army, particularly in his creation of the Major Generals, who ruled England in 1655. Lambert's refusal to countenance...

A devout puritan, Henry Ireton was an immediate parliamentarian activist rising to the rank of Commissary-General of the New Model Army. Ireton shared Oliver Cromwell's religious enthusiasm and acted as one of his political mentors. Ireton, more than any other individual, even Cromwell, brought about the execution of Charles I. Indeed it was Ireton's influence, symbolised by his marriage to Bridget Cromwell, that did much to persuade Cromwell to become a regicide. Ireton's importance was through the theoretical and practical framework he provided for the revolution of 1647-9. As the 'penman'...