Where do the weather reports and predictions come from? They come froma group of people who study the weather and its patterns to warn you about when you will need that umbrella. Meteorologists’ study and analyse weather conditions by using weather reports from the upper atmosphere, land and sea. Computerized and mathematical models have significant role in the prediction of weather by meteorologists. Organizations like transport services, armed forces, media and insurance companies employ meteorologists. Before they provide weather forecasts, meteorologists collect weather related data from radar, remote sensors, satellite images and weather stations. After that, they measure factors like temperature, humidity and air pressure in atmosphere. They also transmit their analysed data over international networks. The work of broadcast meteorologists includes interpreting and reporting weather condition for various types of media. Research meteorologists work for different government agencies. However not all of them work at weather stations, many of them meteorologists are employed by colleges and universities. One very interesting branch of this science is that of a forensic meteorologists which includes investigating claims for insurance companies on past weather. Consulting meteorologists serve to provide specialized information to private and public sectors. Climate meteorologists analyse long term weather pattern to predict weather report. Meteorological study has great importance on agriculture, air pollution, aviation, forestry, marine operations and conditions like ozone depletion and global warming. What follow are the biographies, timelines, trivia and other information about the professional and personal lives of some of the world’s most famous meteorologists.