Linked from
The 24 pages that link to Fritz Haber, each with the reason it gives.
UreaRelated: Industrial ammonia synthesis supplies a key feedstock for modern urea production.
Carl BoschRelated: Haber discovered the reaction Bosch transformed into a viable industrial process.
Synthetic fertilizerRelated: His ammonia synthesis made industrial nitrogen fertilizer possible.
Chemical warfare agentRelated: Haber helped direct the deployment of chlorine gas at Ypres.
Second Battle of YpresRelated: Haber helped prepare the gas operation that began at Ypres.