Marcellus Flemming Berry was an American

inventor An invention is a unique or novel device, method, composition, idea, or process. An invention may be an improvement upon a machine, product, or process for increasing efficiency or lowering cost. It may also be an entirely new concept. If an ...

who devised the

traveller's cheque A traveller's cheque is a medium of exchange that can be used in place of the currency of a country. Each cheque is denominated in a preprinted fixed, round, amount of one of a number of major world currencies; it has two panels for a signat ...

while working for

American Express American Express Company or Amex is an American bank holding company and multinational financial services corporation that specializes in payment card industry, payment cards. It is headquartered at 200 Vesey Street, also known as American Expr ...

.Bailom, Franz, Kurt Matzler, and Dieter Tschemernjak. ''Enduring Success: What Top Companies Do Differently''. Basingstoke ngland Palgrave Macmillan, 2007.p.12

/ref>

References

Living people Year of birth missing (living people) Place of birth missing (living people) American inventors {{US-inventor-stub