Imam Bukhari’s Teachers: Four Legends
Imam Bukhari, rahimahullah, studied from over 1000 teachers. The best of them were also the greatest scholars of his time. This is an important point: in the previous generation, four scholars lived who were stars of hadith sciences. Imam Bukhari not only studied under all four of these masters of hadith sciences, but he became the main student or protege of all four scholars.
As teachers, in that time, each teacher would teach many students. Over time, one would rise up as the top student, the one who the teacher considered his protege; the one who would continue his teachers into the subsequent generation. It’s a rare feat for a protege to be the main student of more than one teacher; especially in this case, when all four lived in different cities.