Question: What was Giovanni Aldini's uncle recognized as the pioneer of?

Context paragraphs:
Giovanni Dondi dell'Orologio: Giovanni Dondi dell'Orologio (c. 1330 – 1388), also known as Giovanni de' Dondi, was a doctor and clock-maker in Padua, now in Italy.  He is remembered today as a pioneer in the art of clock design and construction.  The Astrarium, which he designed and built over a period of 16 years, was a highly complex astronomical clock and planetarium, constructed only 60 or so years after the very first mechanical clocks had been built in Europe, and demonstrated an ambitious attempt to describe and model the planetary system with mathematical precision and technological sophistication.

Alvise Vivarini: Alvise or Luigi Vivarini (1442/1453–1503/1505) was an Italian painter, the leading Venetian artist before Giovanni Bellini.  Like Bellini, he was part of a dynasty of painters.  His father was Antonio Vivarini and his uncle, with whom he may have trained, was Bartolomeo Vivarini.  Another uncle, on his mother's side, was the artist known as Giovanni d'Alemagna, who worked with his brother-in-law Antonio.  Alvise may have trained Jacopo de' Barbari.

Agostino Trivulzio: Agostino Trivulzio (c. 1485–1548) was an Italian Cardinal and papal legate.  He was from a noble family in Milan, the eighth child of Giovanni Trivulzio di Borgomanero, a Councillor of the Dukes of Milan, and Angela (or Agnolina, or Anna) Martinengo of Brescia, and was the nephew of Cardinal Gianantonio (or Antonio) Trivulzio (1500-1508).  Another uncle, Cardinal Antonio's brother Teodoro, was Governor of La Palice, of Genoa (from 1526), of Milan, and a Marshal of France.  Giovanni and Angela had a daughter named Damigella or Domtilla who was famous for her learning.  Cardinal Agostino Trivulzio had a nephew named Giovanni, who married Laura Gonzaga.

Bernardo Rucellai: Bernardo Rucellai (11 August 1448 – 7 October 1514), also known as Bernardo di Giovanni Rucellai or as Latin: Bernardus Oricellarius , was a member of the Florentine political and social elite.  He was the son of Giovanni di Paolo Rucellai (1403–1481) and father of Giovanni di Bernardo Rucellai (1475–1525).  He was married to Nannina de' Medici, the elder sister of Lorenzo de' Medici, and was thus uncle to Popes Leo X and Clement VII, who were cousins.  Oligarch, banker, ambassador and man of letters, he is today remembered principally for the meetings of the members of the Accademia platonica in the Orti Oricellari, the gardens of his house in Florence, the Palazzo Rucellai, where Niccolò Machiavelli gave readings of his "Discorsi".

Giovanni Aldini: Giovanni Aldini (April 10, 1762 – January 17, 1834), was an Italian physicist born in Bologna.  He was a brother of the statesman Count Antonio Aldini (1756–1826) and nephew of Luigi Galvani, whose treaties on muscular electricity he edited with notes in 1791.

George Forster (murderer): George Forster (or Foster) was found guilty of murdering his wife and child by drowning them in Paddington Canal, London.  He was hanged at Newgate on 18 January 1803, shortly after which his body was taken to a nearby house where it was used in an experiment by Italian scientist Giovanni Aldini.

Giovanni Visconti (bishop): Giovanni Visconti — according to Lorenzo Cardella nephew of Pope Gregory X.  He was ostensibly created cardinal-bishop of Sabina by his uncle in 1275 and in 1276 was named judge in the case concerning the translation of bishop Giovanni of Potenza to the archbishopric of Monreale, postulated by the cathedral chapter of Monreale.  He died in 1277 or 1278.

Armando de Sequeira Romeu: Armando de Sequeira Romeu, is a Cuban musical director, composer, arranger, violinist, drummer and bass player.  In 1972 he co-founded the Grammy Award group Irakere, one of Cuba’s best-known Latin Jazz Bands, together with Chucho Valdes, a Cuban pianist.  His mother, Zenaida Romeu Gonzalez, known as a pianist and a composer, performed for the Havana Symphony Orchestra and worked at her father’s radio station CMBN.  His great uncle, Antonio Maria Romeu Marrero, was the most famous "Danzon" Music Composer, a style of music that represents the nation and the country of Cuba and later Mexico.  Radio music pioneer who founded CMBN, was the leader of the French charanga band.  His uncle, Armando Romeu Jr., a Jazz musician and the nephew of one of Cuba’s early classical composers, was the bandleader who was asked by Victor de Correa to assemble the house orchestra for the Tropicana Club.  In 1954, De Sequeira, joined his uncle’s orchestra as a drummer performing at the Tropicana Club and recorded with Nat King Cole "En Español".

Giovanni Battista Colomba: Giovanni Battista Colomba (born 1638) was an Italian painter and architect of the Baroque period.  He was born in Arogno in the Ticino, and was active there including in the monastery of San Floriano.  He died poor in the service of the King of Poland.  He was the uncle of Giovanni Battista Innocenzo Colombo.

Luigi Galvani: Luigi Aloisio Galvani ( ; ] ; Latin: "Aloysius Galvanus" ; 9 September 1737 – 4 December 1798) was an Italian physician, physicist, biologist and philosopher, who discovered animal electricity.  He is recognized as the pioneer of bioelectromagnetics.  In 1780, he discovered that the muscles of dead frogs' legs twitched when struck by an electrical spark.  This was one of the first forays into the study of bioelectricity, a field that still studies the electrical patterns and signals from tissues such as the nerves and muscles.

Supporting paragraphs: Giovanni Aldini Luigi Galvani
Answer: bioelectromagnetics