Abul Hassan Sagheer Sindhi

Abul Hassan Dahri (Arabic: أبو الحسن بن محمد صادق ڏاھري، المدني), also known as Makhdoom Abul Hassan Dahri (d.1176 AH/1724 AD), was a Muslim scholar who is known as the founder of the old 40 letter Sindhi writing system.^[1]

Abul Hassan Dahri
Born	Ṭhaṭṭo, Sindh (present-day Pakistan)
Died	1724 Medina
Other names	Abul hassan Dahri
Occupation(s)	Linguist and translator
Known for	Developed the old 40-letter Sindhi writing system