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Other historians have noted how he played additional roles, as Kent Germany reports:

"the big daddy, the southerner-westerner-Texan, the American dreamer, the politician, the father's son, the rising star, the flawed giant, the Periclean paradox (domestic dreams undone by war), the very human, the tragedy, the pathbreaker, the ascender, and the master."[297]
Johnson was often seen as a wildly ambitious, tireless, and imposing figure who was ruthlessly effective at getting legislation passed. He worked 18- to 20-hour days without break and was absent of any leisure activities. "There was no more powerful majority leader in American history," biographer Robert Dallek writes. Dallek stated that Johnson had biographies on all the senators, knew what their ambitions, hopes, and tastes were and used it to his advantage in securing votes. Another Johnson biographer noted, "He could get up every day and learn what their fears, their desires, their wishes, their wants were and he could then manipulate, dominate, persuade and cajole them."As president, Johnson vetoed 30 bills; no other president in history vetoed so many bills and never had a single one overridden by Congress. 