Hacham Haim Maimaran, son of Hacham Moshe, was born in 1766 in Meknes, Morocco. His mother was the daughter of Hacham Yaakov Toledano (known as the HaMaHRI"T). His father, Hacham Moshe, was a famous rabbi in Meknes.
Hacham Haim Maimaran passed away on 5 Tishrei, 5546 (1785) at the age of twenty. His book, Hafetz Haim, written on the commentaries by RASHI and RE'EM on the Torah, is also referred to as Pri Etz Haim in some of the copies of his manuscripts. Additional writings of his, principally original commentaries of the Talmud, remain in manuscript form.