1.   At the same time, he took pains to avoid suggesting that he was anything more than a dedicated amateur.

2.   But over the years, dedicated amateurs have made a number of significant contributions to the science of paleontology.

3.   Director Reeves said most of the visitors to the archives are dedicated amateurs, like Jefferson and Trippe.

4.   The observatory needed a dedicated amateur who would work long hours at low pay to operate its new photographic telescope and make long-exposure photographs of the sky.

5.   There are hundreds of sites like Ars Technica and Anandtech out there, assembled by dedicated amateurs with brains and attitude.