George B. Cressey, an American geographer, said that Asia has many places where people are few and few places where people are very many.

Reasoning:
Asia is the largest and the most populous continent in the world, with a wide range of geographic features and climatic conditions. Cressey's statement is based on his observation of the distribution of population in Asia. He noted that there are some regions in Asia where the population density is very high, while in other parts of Asia, the population density is very low.

Places where people are few:
1. Siberia: It is a vast region in the northern part of Asia, covering almost 77% of Russia's territory. Siberia is known for its harsh climate, with long, cold winters and short, cool summers. Due to its extreme climate and remote location, the population density in Siberia is very low.

2. Gobi Desert: It is a large desert region in Asia, covering parts of northern and northwestern China and southern Mongolia. The Gobi Desert is one of the most inhospitable places on Earth, with very little rainfall and extreme temperature variations. As a result, the population density in the Gobi Desert is very low.

Places where people are very many:
1. South Asia: It includes countries like India, Pakistan, Bangladesh, and Sri Lanka, which have a high population density due to their large population and small land area.

2. East Asia: It includes countries like China, Japan, and Korea, which are densely populated due to their large population and limited arable land.

Conclusion:
Cressey's statement highlights the diverse population distribution in Asia, with some regions having a high population density, while others have a low population density. This variation is due to factors such as climate, topography, and economic development.