Prof. Cusumano of MIT, says that with the loss of Apple's Steve Jobs, the company has lost a great visionary, and it will be difficult for Apple's new CEO Time Cook to make up for this loss. Cusumano has talked to many Apple employees in 2013-2014, and is writing a book on innovation. In this piece Chen and Richtel point out the ways Tim Cook is trying to fill the role Jobs filled, by assembling a group of people within the company who can play the pioneering role for new products, and making new acquisitions such as the Beats acquisition to bring in outside talent. Cook pushed for the introduction of the iPad Air, which now accounts for 60% of all iPad sales. The constant push for the magic in new products that Steve Jobs obsessed with down to details, will be missing. Jobs met daily with design chief Jonathan Ive for lunch at the Cupertino headquarters. Cook meets Ive 3 times a week. And Jobs pulled all the pieces of the new product together in a way that others will have difficulty doing. Cook has brought a different dimension to leadership at Apple by talking about Apple in terms of "advancing humanity," talking about his own personal experiences in the South, and seeing racial discrimination barriers for minorities. He was challenged recently to address issues of working conditions at Apple supplier factories in China. Cook is bringing some manufacturing back to the U.S. with building of new plants in Arizona and Texas. These are areas which were gaps in Jobs record, which Cook is filling gradually, and asking shareholders, customers, to be patient....