Question: The painter whose work appears in the Castello Sforzesco in Milan is known as the father of what? 

Context paragraphs:
Sala delle Asse: The Sala delle Asse (In English: 'room of the tower' or 'room of the wooden boards'), is the location for a wall and ceiling painting in tempera on plaster, of decorated "intertwining plants with fruits and monochromes of roots and rocks", by Leonardo da Vinci, dating from about 1498 and located in the Castello Sforzesco in Milan.

Leonardo da Vinci: Leonardo di ser Piero da Vinci (] ; 15 April 14522 May 1519), more commonly Leonardo da Vinci or simply Leonardo, was an Italian Renaissance polymath whose areas of interest included invention, painting, sculpting, architecture, science, music, mathematics, engineering, literature, anatomy, geology, astronomy, botany, writing, history, and cartography.  He has been variously called the father of palaeontology, ichnology, and architecture, and is widely considered one of the greatest painters of all time.  Sometimes credited with the inventions of the parachute, helicopter and tank, he epitomised the Renaissance humanist ideal.

Sforza Castle: Sforza Castle (Italian: "Castello Sforzesco" ) is in Milan, northern Italy.  It was built in the 15th century by Francesco Sforza, Duke of Milan, on the remains of a 14th-century fortification.  Later renovated and enlarged, in the 16th and 17th centuries it was one of the largest citadels in Europe.  Extensively rebuilt by Luca Beltrami in 1891–1905, it now houses several of the city's museums and art collections.

Sforza Castle Pinacoteca: The Sforza Castle Pinacoteca ("Pinacoteca del Castello Sforzesco" in Italian) is an art gallery in the complex of the Sforza Castle Museums in Milan, northern Italy.

Piazza Cordusio: Piazza Cordusio (also informally referred to as Piazzale Cordusio) is a square in central Milan, Italy.  The "piazza" takes its name from the "Cors Ducis" (Ducal court) which was found in the square during Longobard times.  It is well known for its several turn-of-the-19th-century Neoclassical, eclectic and Art Nouveau buildings, banks and post offices.  Even though many of these have now relocated elsewhere, it is still an important commercial square in the city and hosts the "Palazzo delle Assicurazioni Generali" (Palace of the Assicurazioni Generali), the "Palazzo del Credito Italiano" (Palace of the Credito Italiano) and the "Palazzo delle Poste (Palace of the Post Office), former Borsa di Milano" (former Milan Stock Exchange).  Piazzale Cordusio hosts the Cordusio metro station and is the starting point of the elegant pedestrian Via Dante which leads to the imposing medieval Castello Sforzesco, or Milan Castle.  Opposite to Via Dante, Cordusio borders onto Piazza Mercanti, former city centre in the Middle Ages, which leads directly to Piazza del Duomo, today's city centre.

Alfa Romeo MiTo: The Alfa Romeo MiTo (Type 955) is a three-door supermini officially introduced on June 19, 2008, at Castello Sforzesco in Milan, Italy with an international introduction at the British Motor Show in 2008.  The car was available in all Alfa's major markets in stages from July.  The three-door hatchback is front-wheel drive and will be sold to compete with the MINI and the newer Audi A1.  Designed by Centro Stile Alfa Romeo, the design is believed to be inspired by the 8C Competizione.

Milano Cadorna railway station: Milano Cadorna is a commuter railway station located near the Castello Sforzesco in Milan, Italy.

Trivulzio Madonna: The Trivulzio Madonna is a painting by the Italian Renaissance painter Andrea Mantegna, executed in 1497.  It is housed in the Sforza Castle Pinacoteca of the Castello Sforzesco, Milan.

Museo d'Arte Antica: The Museo d'Arte Antica is an art museum in the Castello Sforzesco ("Sforza Castle") of Milan, in Lombardy in northern Italy.  It has a large collection of sculpture from the late antiquity, Mediaeval and Renaissance periods.  The various frescoed rooms of the museum house an armoury, a tapestry room, some funerary monuments, the Rondanini Pietà and two mediaeval portals.

Via Dante: Via Dante is an important and elegant pedestrian street in central Milan, Italy, connecting Piazzale Cordusio (Cordusio (Milan Metro)) and Largo Cairoli (Cairoli (Milan Metro)).  It is very near to the city's Castello Sforzesco and is named after the Florentine poet Dante Alighieri.  It is known for containing several theatres, shops, restaurants, cafés, palaces and bars.

Supporting paragraphs: Sala delle Asse Leonardo da Vinci
Answer: palaeontology, ichnology, and architecture