The term "composer" is not a common or established term in science. It's more frequently used in the arts, particularly in music, where it refers to someone who writes original musical pieces.

It's possible that the term is used in a specialized scientific context, but without more context, it's difficult to provide a specific definition.

To help understand what you mean, could you please provide more information about the context in which you encountered the term "composer" in science?

For example, are you reading a scientific paper or textbook? If so, what is the topic? Or, did you hear someone use the term in a scientific discussion?

The more information you can give, the better I can understand your question and give you a helpful answer.