What two musicians joined bill monroe band in 1945?

In 1945, Bill Monroe's band, the Blue Grass Boys, welcomed two significant musicians: Lester Flatt and Earl Scruggs. Flatt was a guitarist and vocalist, while Scruggs was a groundbreaking banjo player known for his three-finger picking style. Their contributions were pivotal in shaping the sound of bluegrass music, elevating the genre's popularity.