<P> When Harrison invites his subordinates to solve a complex mathematical equation, Katherine develops the solution, leaving him impressed . The Mercury 7 astronauts visit Langley and astronaut John Glenn is cordial to the West Area Computers . </P> <P> Harrison is enraged when he finds out that Katherine is forced to walk a half - mile (800 meters) to another building to use the colored people's bathroom . Harrison abolishes bathroom segregation, knocking down the "Colored Bathroom" sign . Harrison allows Katherine to be included in their meetings, in which she creates an equation to guide the space capsule during re-entry . Despite this, Katherine is forced to remove her name from the reports, which are credited solely to Stafford . Meanwhile, Mary goes to court and convinces the judge to grant her permission to attend night classes in an all - white school to obtain her engineering degree . </P> <P> Dorothy learns of the impending installation of an IBM 7090 electronic computer that could replace human computers . She visits the computer room to learn about it, and successfully starts the machine . Later, she visits a public library, where the librarian scolds her for visiting the whites - only section, to borrow a book about Fortran . After teaching herself programming and training her West Area co-workers, she is officially promoted to supervise the Programming Department, bringing 30 of her co-workers with her . Mitchell eventually addresses Dorothy as "Mrs. Vaughan," indicating her new - found respect . </P> <P> As the final arrangements for John Glenn's launch are made, Katherine is reassigned back to West Area Computers . As a wedding and farewell gift from her colleagues (Katherine is now married to Jim Johnson), Katherine is given a pearl necklace, the only jewelry allowed under the dress code . </P>

Who becomes the supervisor at the end of hidden figures