Dhiru Tanna, the economist who turned delicate soaps and hard lumber into a $4-billion business legacy, died on Monday night. He was 82. “We already have confirmation that he has died,” Jamaica National Group chief executive officer Earl Jarrett, told the Financial Gleaner in an interview. Jarrett, who had visited Tanna in the days before his passing, described the death as unexpected despite a period of illness. “It was a rather sudden death,” he said.