William Hall Walker helped create a device that held a rollable unit sent back to this company's factory after 100 uses.  
During the 1980s this company opened a research lab in Yokohama to compete with a Japanese rival who bested it for sponsorship rights to the 1984 Summer Olympics.  The founder of this company established a league to promote the use of the 13-month International Fixed Calendar.  A long-running advertising campaign for this company featured a namesake girl in a striped blue and white dress with its signature product (*) hanging from her neck.  In 2010, Steve McCurry received the last batch of one of its products.  William Hall Walker helped create a device that held a rollable unit sent back to this company's factory after 100 uses.  That product was sold with the slogan, "you push the button, we do the rest".  During the '80s, this market leader lost share to Fuji.  For 10 points, name this Rochester-based company which manufactured the iconic Brownie camera.
During the 1980s this company opened a research lab in Yokohama to compete with a Japanese rival who bested it for sponsorship rights to the 1984 Summer Olympics.  
Eastman Kodak Company