Which architect designed the building featured on the 100 peso bill?

The building featured on the 100 peso bill is the Philippine International Convention Center (PICC), which was designed by the architect Gabriel Formoso. He is known for his contributions to Philippine architecture, particularly during a time when modernist principles were being introduced in the country. The PICC is significant not only for its architectural style but also for its role in hosting important events and functions in the Philippines since its completion.

Each of the other architects listed has made notable contributions to architecture but did not design the building depicted on the bill. Understanding the contributions of various architects and their iconic works can provide valuable context in the field of architecture, especially concerning national symbols and representations. Gabriel Formoso's work, particularly on the PICC, stands out as a landmark in Philippine architecture and is an essential example of modernist design adapted to local context.