Washington PostCharles M. Harper, CEO who transformed ConAgra into global powerhouse, dies at 88Washington PostCharles M. Harper, the chief executive who transformed ConAgra from a struggling flour-mill company into an agricultural powerhouse, in part by acquiring hundreds of companies and developing a wildly successful line of low-priced frozen foods called ...ConAgra titan Mike Harper dies in Omaha; he was 88SCNowConAgra titan Mike Harper dies in OmahaLincoln Journal Star'He had a vision of what the business could be': Former ConAgra Chairman, CEO Mike Harper dies at 88Omaha World-HeraldNebraska Radio Network -KMTVall 9 news articles »