ROCHESTER—  A fight has erupted between Xerox and its largest share holder Carl Icahn who holds 9.7% of Xerox . Icahn sent an open letter to shareholders demanding new blood in  the boardroom. He has taken special aim at Xerox's chairman Bob Keegan   and Jeff Jacobson CEO. Icahn appears to have targeted these two senior executives because they worked at Kodak. Keegan for 25 years and Jacobson for 2 years running the Graphics Group. Jacobson also, for 5 years ran Kodak Polychrome, a joint venture between Kodak and Sun Chemicals. Carl Icahn who through, the Icahn Group has a history of buying a stake in a public company than pushing for changes to increase the short term share value. He has nominated four of his people to the board of Xerox in 2018