Print Among San Diego aviation buffs, Leo Leonard will always be remembered as a co-founder of PSA, the spunky San Diego-born Pacific Southwest Airlines that flew the California skies from 1949 to 1987. But until his dying day, the 101-year-old aviator pushed to rewrite the history of how some of the pilots he hired during the company’s glory days are remembered. The World War II veteran died of natural causes at his home in Del Cerro, his family said. In an interview just three weeks before his death, Leonard said he wanted to honor the 144 lives lost in the Sept. 25, 1978, crash of PSA ...