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
History of longitude 2nd century BC Hipparchus was the first to use such a system to uniquely specify places on Earth. He also proposed a system of determining longitude by comparing the local time of a place with an absolute time. This is the first recognition that longitude can be determined by accurate knowledge of time. In the 11th century Al-Biruni believed the earth rotated on its axis and this forms our modern notion of how time and longitude are related. Determining latitude was relatively easy in that it could be found from the altitude of the sun at noon (i.e. at its