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Sometimes , when that did not work in due time , as it happened at the new ( 1919 ) founded University of Hamburg which remained for almost two years without a chair in theoretical physics , scientist applied a harmless trick . For the Cinco de Mayo celebration , Barrera had posters of Hispanic scientists hung in the halls at West University Elementary . Saying that the scientists messed up is much less exciting-sounding and does n't sell as many papers . The scientists brought expertise ; the military brought a high level of resources , by prewar standards , and the politics of national security . But hope began to spring up for patients a decade ago , when scientists linked the first gene to ALS .