Final answer:
George Washington and Calvin Coolidge are two presidents who exemplify being principled, outwardly cold, masterful orators, and collegial leaders in different ways. Washington was known for his active leadership and dedication to accountability, while Coolidge is remembered for his quiet yet effective approach to governance.
Step-by-step explanation:
The description provided - principled, outwardly cold, a masterful orator, and collegial leader - fits several historical presidents; however, based on the context provided, two figures stand out: George Washington and Calvin Coolidge. George Washington, the United States' first president, established a precedent for executive leadership. He sought to be an energetic leader and was known for his hands-on leadership style. He appointed strong cabinet officers and believed in 'accountability, diligence, and speed' as marks of good governance. Washington was also careful to balance ceremonial duties with modesty, striving to cultivate patriotism without appearing monarchical.
Calvin Coolidge, on the other hand, presents as the more outwardly cold figure, known for his principle of minimal government. He was consistent in his belief that the federal government should defer to states and often demonstrated support for progressive goals. Despite being less flashy than some of his contemporaries, Coolidge was considered a masterful orator and a collegial leader with his legislative agenda. These descriptions of Washington and Coolidge emphasize the diverse personalities and governing styles that have shaped the U.S. presidency.