Who was the leader of the scientific revolution in England who promoted the idea that science must rely on repeated observation and experimentation?

The leader of the scientific revolution in England who emphasized the importance of repeated observation and experimentation was Francis Bacon. He is often regarded as the father of empiricism, advocating for the scientific method as a means to acquire knowledge through inductive reasoning. Bacon's work laid the groundwork for modern scientific inquiry by promoting the systematic collection of data and experimentation. His influential writings, particularly "Novum Organum," played a crucial role in shaping the development of scientific thought.