Sir John Oldcastle of Martyrs". Oldcastle was also a minor character in the early Elizabethan history play the "Famous Victories of Henry V" (c. 1586?), which is generally thought to have been one of Shakespeare's sources for his plays on Henry IV and Henry V. The genesis of "Sir John Oldcastle" is crucially linked to the fact that when Shakespeare's "Henry IV" plays premiered on stage in 1597–98, the character Sir John Falstaff was called Sir John Oldcastle. This is indicated by abundant external and internal evidence. The change of names, from "Oldcastle" to "Falstaff," is mentioned in seventeenth-century works by Richard James
John Mellis John Mellis John Mellis lived in the 16th century. Along with James Peele and John Dee, Mellis is one of the first authors who contributed to the accounting literature. Mellis is not the real owner of the book "A Briefe Instruction, and maner, how to keepe bookes of Accounts" (1588). However, Mellis revised and reissued this book whose original compiler was Hugh Oldcastle. Hugh Oldcastle was said to be a compiler because this accounting book is the translation of Luca Paccioli's "Summa de Arithmetica, Geometria, Proportioni et Proportionalita" (Venice, 1494). But Oldcastle translated the aforesaid book in 1543 but later