Naples
Arch of Alfonso of Aragon, Castelnuovo. 1452 (upper level 1465-72)

Chapel of Giovanni Pontano, Segretary to Aragonese Kings, on Via
    Tribunali opposite Pontano palace, attached to church of Santa
    Maria Maggiore. begun between 1490 and 1492.

Francesco di Giorgio (1439 -1501). painter, engineer, architect,
    author of architectural treatise. At Urbino from 1475 replacing
    Luciano Laurana (1420-1479) at the ducal palace . Laurana began
    his activity at the ducal palace in 1465. The palace itself started
    1450.
Francesco built the church of Santa Maria del Calcinaio at Cortona
    (1485) and San Bernardino at Urbino (by 1482-91). He began the
    convent of Santa Chiara at Urbino after 1482 and worked on the
    the fortresses of Duke Federigo da Montefeltro (1422-1482), one
    of which is Sassocorvaro. He appears as architectural advisor at
    Milan and Naples.

Portrait of Duke Federigo da Montefeltro by Piero della Francesca 1465:

The Ducal Palace at Urbino:

Santa Maria del Calcinaio at Cortona:

San Bernadino outside of Urbino:

The The Defence works at Sassocorvaro 1475-80:

Giuliano da Sangallo (1443-1516), cabinet maker, intarsia artist,
    architect, military architect. First architect to go to Rome (1465) to
    train from the ancient monuments. (See facsimile of his notebook,
    the Codex Barbarini, in the Rotch rare book collection).

    Unplaced Images of Giuliano da Sangallo:
<-- Atrium of a roman Villa at Herculaneum

<-- Project for a Medici palace in Florence

    House of Bartolommeo Scala, Florence, by 1480.
    Poggio a Caiano, Villa, early 1480's, for Lorenzo de Medici

    For comparison the Baths of Caracalla:

    Santa Maria delle Carceri, Prato, 1484.
<-- Giuliano's plan of S. M. della Caceri

    For comparison the Pazzi Chapel:

    Santa Maria Maddalena dei Pazzi, Florence, e. 1490's
    Sacristy of Santo Spirito, Florence,1490's

    For comparison a plan by Sangallo of the Temple of Venus near Pozzuli & the Pool near Bacoli:

    Palazzo Strozzi, Florence, begun 1489.
    Palazzo Rovere (for future Julius II), Savona 1490's
    Palazzo Gondi, Florence 1490's

Cronaca (1457-1508) woodworker, architect
    San Salvatore al Monte, begun late 1480's