Great scientists（Period 1 Welcome to the Unit ）
6.james watt: british engineer and inventor who made fundamental improvements in the steam engine, resulting in the modern, high-pressure steam engine (patented 1769).7.gregor mendel was an austrian botanist and founder of the science of genetics.through years of experiments with plants, chiefly garden peas, he discovered the principle of the inheritance of characteristics through the combination of genes from parent cells.8.archimedes: greek mathematician, engineer, and physicist.among the most important intellectual figures of antiquity, he discovered formulas for the area and volume of various geometric figures, applied geometry to hydrostatics and mechanics, devised numerous ingenious mechanisms, such as the archimedean screw, and discovered the principle of buoyancy.9.michael faraday (september 22, 1791—august 25, 1867) was a british scientist(a physicist and chemist) who contributed significantly to the fields of electromagnetism and electrochemistry. he also invented the earliest form of the device that was to become the bunsen burner, which is used almost universally in science laboratories as a convenient source of heat.michael faraday was one of the great scientists in history.some historians of science refer to him as the greatest experimentalist in the history of science.it was largely due to his efforts that electricity became a viable technology.the si unit of capacitance, the farad(symbol f) is named after him.