<human>:  Who were the original authors of the Black-Scholes model for bond valuation?
<bot>: That would be Fischer Black and Myron Scholes. They proposed the Black-Scholes model in 1973. The Black-Scholes model is a mathematical model for pricing financial options, such as stock options and futures. It is used to price derivatives, which are financial contracts whose value depends on the value of an underlying asset.