CONTENTS.

[INTRODUCTION.] 1
[ROBERT BOYLE.] 5
[BENJAMIN FRANKLIN.] 38
[HENRY CAVENDISH.] 125
[COUNT RUMFORD.] 148
[THOMAS YOUNG.] 194
[MICHAEL FARADAY.] 237
[JAMES CLERK MAXWELL.] 278
[CONCLUSION.] 309

HEROES OF SCIENCE.