Question

whose contribution is codified the ottoman laws​

Answer 1

The first kanunnames were issued under Sultan Mehmed II (reigned 1444–46, 1451–81), though his predecessors had promulgated individual kanuns. The kanuns of Selim I (reigned 1512–20) and Süleyman I (reigned 1520–66), called Kanuni (“Law Giver”), were known for their political wisdom.