Meteorologist, he participates in the first flight across the North Pole with the NORGE, together with Nobile, Amundsen and Ellworth, in 1926.

Therefore he also is the meteorologist in the second shipping of the dirigibile ITALIA in 1928, with Umberto Nobile. He also falls ion the pack, injuring an arm; some days after, he decides to move from the Red Tent together with Zappi and Mariano to reach on foot the costs and ask for help. He dies during the crossing on foot and his body was never found.

Barents Sea, May 5th 1928: Umberto Nobile and the swedish scientist Finn Malmgren on board of the dirigible Italia approaching the King’s Bay.

We retain important to remember him with the words sculpted on the monument to the missing people of the Umberto Nobile’s shipping with the dirigibile ITALIA in 1928, upright in Tromso:

The names of the falls with the dates and the places are carved on this monument: ON MAY 25, 1928 THE AIRSHIP "ITALY" AFTER FLYING FOR 124 HOURS OVER UNEXPLORED REGIONS CRASHED UPON THE ICE NORTH OF THE SVALBARD OF THE CREW THERE PERISHED RENATO ALESSANDRINI ETTORE ARDUINO - ATTILIO CARATTI CALISTO CIOCCA - UGO LAGO FINN MALMGREN - VINCENZO POMELLA ALDO PONTREMOLI