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Explore groundbreaking research on stellar mass black hole formation through this 46-minute conference talk examining the phenomenon of disappearing supergiants in nearby galaxies and its implications for understanding black hole formation landscapes. Delve into how gravitational wave detections are revolutionizing knowledge of stellar mass black hole populations, while Gaia observations unveil dormant black holes in detached binary systems with stellar companions. Learn about microlensing techniques that probe isolated black holes otherwise unobservable, and discover how time domain surveys search for transients marking black hole birth or their interactions with stellar companions. Examine how these diverse detection methods reveal new black hole populations that complement the accreting black holes long known from X-ray and radio surveys. Investigate the complete lifecycle of stellar black holes, from the complicated lives of their massive star progenitors through core collapse and associated transients, to their afterlives as dormant or accreting black holes, and their potential finale as gravitational wave sources during mergers. Gain insights into recent findings that compel reassessment of stellar black hole understanding and explore new observational and theoretical strategies being developed to answer urgent questions about stellar black hole lifecycles.
