Answer
The answer is correct. Musa al-Kazim was the seventh Shia Imam and was born in Medina in 745 CE. He was the son of Ja'far al-Sadiq and was considered to be a great scholar and theologian. After the death of his father, Musa al-Kazim declared himself as the next Imam of Shia and was recognized as such by the majority of Shia Muslims.