Two math-notebook pages recently authenticated as belonging to Abraham Lincoln suggest the 16th president, who was known to downplay his formal education, may have spent more time in school than ...

CHAMPAIGN, Ill. — Two math-notebook pages recently authenticated as belonging to Abraham Lincoln suggest the 16th president, who was known to downplay his formal education, may have spent more ...

Alan Turing Notebook Offers Insight Into ‘Imitation Game’ Hero Who Did Advanced Math to Relax. ... But the mathematician doesn’t reference his work with the Allied Forces in the notebook.