Adam Robison | Buy at photos.djournal.com Michael Asa pushes his son Landon, 5, in a swing at Ballard Park. By Robbie Ward Daily Journal TUPELO – Finding differential equations in billowy cloud formations seems natural for Michael Asa, nothing close to the search for himself. The Memphis native and Saltillo resident’s actions and behavior show a serious mathematician, philosopher, adventurer and loving father set on a better life. A markedly different image has reflected back for years at the University of Mississippi electrical engineering major.