Manuel Diaz was born on September 1, 1939 in San Miguel, Pangasinan. He was a fictionist and Information Officer who graduated AB Journalism in 1964 in the University of Sto. Tomas. He wrote the Rice for the Moon (1985, short stories) and Ilocano Harvest (1988, short stories). Some of his works were published in Liwayway and Bannawag. He was also a member of GUMIL.