Leonhard Spiegelberg@Firefly92Follow BadgesProblem SolvingCPPJavaDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork ExperienceFirefly92 has not updated employment details yet.EducationHarvard University, CambridgeLinksFirefly92 has not updated links details yet. SkillsFirefly92 has not updated skills details yet.