"Popper and After" critically examines the philosophy of scientific method advanced by Karl Popper, particularly focusing on his theory of falsifiability as the demarcation criterion for science. The book argues that Popper's views, along with those of his followers, are fundamentally flawed and have led to detrimental impacts on the philosophy of science. The author scrutinizes the logical consequences and practical applications of falsification, ultimately contending that these ideas, while influential, fail to provide a satisfactory framework for understanding scientific progress and methodology.