The two persons and their contributions that made their cities famous are:
1. Sawai Jai Singh II - Jaipur
2. Ibrahim Adil Shah II - Bijapur

Sawai Jai Singh II - Jaipur:
Sawai Jai Singh II was the ruler of Jaipur from 1699 to 1743. He played a crucial role in the development and establishment of Jaipur as a planned city.

Contributions:
1. Founding Jaipur: Jai Singh II founded the city of Jaipur in 1727. He shifted his capital from Amer to a new location due to increased population and water scarcity in Amer. The new city was carefully planned, and Jai Singh II worked closely with the architect Vidyadhar Bhattacharya to design the city's layout based on the principles of Shilpa Shastra and Vastu Shastra.

2. Construction of City Palace: Jai Singh II constructed the magnificent City Palace in Jaipur. It served as the royal residence and also housed administrative offices. The palace complex consists of several structures, including courtyards, gardens, and buildings with a blend of Rajasthani and Mughal architectural styles.

3. Jantar Mantar: Jai Singh II built five astronomical observatories called Jantar Mantars, with the one in Jaipur being the largest and most well-preserved. The Jantar Mantar in Jaipur consists of various instruments used for astronomical observations and calculations. It reflects Jai Singh II's keen interest in astronomy and his commitment to advancing scientific knowledge.

Ibrahim Adil Shah II - Bijapur:
Ibrahim Adil Shah II was the ruler of Bijapur from 1580 to 1627. He was a patron of art, architecture, and literature, contributing significantly to the cultural development of Bijapur.

Contributions:
1. Gol Gumbaz: Ibrahim Adil Shah II commissioned the construction of Gol Gumbaz, which is the mausoleum of himself and his family members. It is an architectural marvel known for its massive dome, which is the second-largest in the world. The interior of Gol Gumbaz features the Whispering Gallery, where even the faintest sound can be heard at the opposite side of the dome.

2. Promotion of Persian Literature: Ibrahim Adil Shah II was a great patron of Persian literature. He invited numerous Persian scholars, poets, and artists to his court, making Bijapur a center of Persian literary activities. His court witnessed the flourishing of Persian poetry and other literary genres, contributing to the rich cultural heritage of Bijapur.

3. Development of Bijapur as a Cultural Center: Ibrahim Adil Shah II's patronage of art and architecture transformed Bijapur into a vibrant cultural center. He commissioned the construction of several impressive structures, including the Ibrahim Rauza, Jama Masjid, and Malik-e-Maidan (a massive cannon). These architectural wonders still stand today, attracting tourists and showcasing the grandeur of Bijapur's artistic legacy.

In conclusion, Sawai Jai Singh II's contributions in planning and constructing Jaipur and Ibrahim Adil Shah II's patronage of art, literature, and architecture in Bijapur played significant roles in making their respective cities famous.