. . "Mathematicians England Biography Juvenile literature." . . "Examines the life and contributions of the English mathematician and inventor, whose work with calculating machines caused him to be called the father of the modern computer." . "Examines the life and contributions of the English mathematician and inventor, whose work with calculating machines caused him to be called the father of the modern computer."@en . . . . . . "History" . "History"@en . "Biography" . . . . . "Juvenile works" . . "Juvenile works"@en . . . . "Charles Babbage" . "Charles Babbage"@en . . . .