Leonidas of Alexandria
Leonidas of Alexandria (/liˈɒnɪdəs, -dæs/; Ancient Greek: Λεωνίδας; Latin: Leonidas Alexandrinus; fl. 1st century AD) was a Greek epigrammatist active at Rome during the reigns of Nero and Vespasian. Some of his epigrams are preserved in the Greek Anthology, and in one he lays claim to having invented the isopsephic epigram.