A volume entitled Opera posthuma (Leiden, 1703) contained his "Dioptrica," in which the ratio between the respective focal lengths of object-glass and eye-glass is given as the measure of magnifying power, together with the shorter essays De vitris figurandis, De corona et parheliis, &c. An early tract De ratiociniis tin ludo aleae, printed in 16J7 with Schooten's Exercitationes mathematicae, is notable as one of the first formal treatises on the theory of probabilities; nor should his investigations of the properties of the cissoid, logarithmic and catenary curves be left unnoticed.
To learn more about the series Ludo Bites America, you can visit the show's official site at SundanceChannel.com.
To keep up with Ludo and his career, visit LudoLefebvre.com.
Lego has a version of Ludo that is made with classic Lego blocks.
Veering off course with the name familiarity is the United Kingdom version known as Ludo.
