claim: Brown University's main campus is located in the least populous city in Connecticut.
evidence: Ricardo Cirera Salse -LRB- Os de Balaguer , 1864-Barcelona , August 1932 -RRB- was a geomagnetist who conducted the first geomagnetic survey of the Philippines and who founded the El Ebro Observatory in Roquetes -LRB- 1904 -RRB- , Catalonia , Spain .. El Ebro Observatory. El Ebro Observatory. Roquetes. Roquetes, Tarragona. Catalonia. Catalonia. Spain. Spain. He was also involved in the founding of the scientific journal Iberica .. Iberica. Iberica ( journal )