Brad Efron is a prominent American statistician known for his significant contributions to the field of statistics. He is best recognized for developing the bootstrap method, a resampling technique that allows statisticians to estimate the distribution of a statistic by repeatedly sampling with replacement from the data. This innovative approach has had a profound impact on statistical inference and has been widely adopted in various fields. Efron was born on June 24, 1938, and has held academic positions at institutions such as Stanford University. He has authored numerous influential papers and books, earning several awards for his work, including the prestigious National Medal of Science. His research continues to shape modern statistical practices and methodologies.