and it was two of those out of town servicemen, al beadle and ralph haver, who became the architecturalfathers of phoenix. alison king: they saw a lot of opportunity for growth, as well as for business. and so many of these architects were part of the pattern of growth of our city to help build the civic buildings, the schools, the banks, the infrastructure, and of course, most importantly, the housing to house these people. ali rogin: when beatles executive towers condo building opened in 1963, it was the tallest in arizona -- billed as vertical living for the upwardly mobile. robrt pela: it's the frigidaire flare. ali rogin: writer robrt pella tried not to change a thing in his unit, including the appliances. robrt pela: when you buy an old building, i think you are beholden to honor it. because if we continue to rip down our visual heritage, our architectural history, we will never have any character. ali rogin: in phoenix and around the country, you'll find mid-century modern enthusiasts who are passionate about protecting these buildings. but there's another school of thought that