Paolo Brenni (born in 1954) studied experimental physics at the University of Zürich, where he graduated in 1981. He than specialised in the history of scientific instruments and of precision industry in the period from the beginning of 18th century to the mid-20th century. He is researcher for the Italian CNR (National Research Council) and works in Florence for the Fondazione Scienza e Tecnica, and for the Museo Galileo and he collaborates with other European and American institutions. He studied, restored and catalogued several collections of historical instruments both in Italy and abroad. Between 2013 and 2013 he was president of the Scientific Instrument Commission of the IUHPS and he actually is president of the Scientific Instrument Society.