Thomas A. Birkland
Thomas A. Birkland is the author of "An Introduction to the Policy Process." While limited information is provided about the author in the given content, it can be inferred that Birkland is an expert in public policy and the policy-making process.
His work is used in academic settings, particularly in graduate-level courses related to political science, public administration, and library and information science.
Birkland's approach to explaining policy concepts appears to be comprehensive and accessible to students new to the subject.
His book covers various aspects of the policy process, including historical context, key actors, policy stages, and theoretical frameworks.