february, 2018 Philadelphia, PA Free Library of Philadelphia 1901 Vine Street, Philadelphia, PA 27feb7:30 PMPhiladelphia, PASpeech, Q&A, Book Signing Time (Tuesday) 7:30 PM LocationFree Library of Philadelphia1901 Vine Street, Philadelphia, PA Event DetailsDr. Kaku will engage the audience in a lively discussion about one of his more far-reaching books yet. Event Details Dr. Kaku will engage the audience in a lively discussion about one of his more far-reaching books yet. Learn More CalendarGoogleCal Sorry, comments for this entry are closed at this time.