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- 1 - The Bessemer process was the first inexpensive industrial process for the mass-production of steel from molten pig iron. The process is named after its inventor, Henry Bessemer, who took out a patent on the process in 1855.
The Haber Process for the synthesis of ammonia (NH3) gas from its elements nitrogen (N2) and hydrogen (H2) is discussed in almost every high school chemistry text as an excellent example of chemical equilibrium. Very little, if anything, is said in most chemistry texts about the effects of this process on the course of history and on society. However, the effects of the Haber Process are important to the history of fertilizers and, to a lesser extent, the history of explosives.