Dr. Nitin Tanna hte shi a dinghku gaw 1972 hta Lancaster de htawt sa wa ai. Tsang 7 htum wa ai shaloi, Lancaster County Science Fair kaw nna 2 lang ngu na kumhpa lu la nna, hpaji lam hpe myit lawm let, ndai shata hta lancaster fair de tara agyi hku nna bai du wa na hpe myit mada nga ai.