SAN FRANCISCO (AP).- Steve Jobs has been Apple’s most recognizable personality, but much of its cachet comes from its clean, inviting designs. For that, Apple can credit its head designer, Jonathan Ive. Ive, a self-effacing 44-year-old Brit, helped Jobs bring Apple back from the brink of financial ruin with the whimsical iMac computer, whose original models came in bright colors at a time when bland shades dominated the PC world. He later helped transform Apple into a consumer electronics powerhouse and the envy of Silicon Valley with the iPod, the iPhone and, most recently, the iPad. In the wake of Jobs’ resignation as CEO, Apple must show that it can keep churning out head-turning products even without its charismatic leader. Apple’s chief operating officer, Tim Cook, is now