Joseph ben Meir Teomim (1727–1792; Hebrew: יוסף בן מאיר תאומים) was a Galician Rabbi, best known as author of Pri Megadim, by which title he is also referenced. He was one of the foremost Torah Scholars of his time, a "thorough student of rabbinical literature, and... not unlearned in the secular sciences". Source: Wikipedia (en)