SELECT T3.ssn ,  T3.name FROM assignedto AS T1 JOIN projects AS T2 ON T1.project  =  T2.code JOIN scientists AS T3 ON T1.scientist  =  T3.SSN WHERE T2.hours  =  (SELECT max(hours) FROM projects)
What are the SSN and names of scientists working on the project with the most hours?
[Schema (values) (types)]: | scientist_1 |  Scientists : ssn (text) , name (number) | Projects : code (text) , name (number) , hours (text) | AssignedTo : scientist (text) , project (number);