Sir Ian B. McTaggart

Sir Ian B. McTaggart was a philosopher known for his work on the nature of time and reality. He argued that our concept of time is complex and that past, present, and future might not be distinct realities. McTaggart proposed that time involves an "A-series" (changing events) and a "B-series" (fixed sequence of events), and he famously suggested that the way we perceive time might imply its fundamental unreality. His ideas have significantly influenced metaphysics, stimulating debates about how time truly exists beyond our perception.