early life and education kadıasker mustafa izzet efendi, also known as seyyid mustafa, was a renowned ottoman composer, neyzen, poet, and statesman born in tosya, ottoman empire in 1801. his mother, of the rûmiyya branch of the kādiriyye order, sent him to istanbul for education after his father's death. career and contributions mustafa izzet efendi's career spanned multiple disciplines, but he is best known for his calligraphy. he stu…