The One Minute Manager The One Minute Manager The One Minute Manager is a very short book by Ken Blanchard and Spencer Johnson. The brief volume tells a story, recounting three techniques of an effective manager: one-minute goals, one-minute praisings and one-minute reprimands. Each of these takes only a minute but is purportedly of lasting benefit. It was followed by a sequel, "Leadership and the One Minute Manager", by Ken Blanchard, Patricia Zigarmi and Drea Zigarmi, which laid out Blanchard's Situational Leadership II concept. The concept has been called a management fad, and derivative of management by objectives, itself derived from the business planning
Longitude at sea, thus revolutionising and extending the possibility of safe long distance sea travel. Though the Board of Longitude rewarded John Harrison for his marine chronometer in 1773, chronometers remained very expensive and the lunar distance method continued to be used for decades. Finally, the combination of the availability of marine chronometers and wireless telegraph time signals put an end to the use of lunars in the 20th century. Unlike latitude, which has the equator as a natural starting position, there is no natural starting position for longitude. Therefore, a reference meridian had to be chosen. It was a popular