Expert Source Finder

Help me identify the best sources and experts on [TOPIC]:

Topic: [SPECIFIC SUBJECT]
Purpose: [JOURNALISM/ACADEMIC/PROFESSIONAL/PERSONAL]
Depth needed: [SURFACE/MODERATE/EXPERT]
Recency required: [CURRENT/HISTORICAL PERSPECTIVE OK]

Find:
1. Leading academic researchers (+ their institutions)
2. Key practitioners in the field
3. Best peer-reviewed journals
4. Most cited/foundational papers
5. Industry reports and databases
6. Quality YouTube channels/podcasts
7. Communities/forums where experts gather
8. Contrarian voices worth considering
9. Red flag sources to avoid and why
10. Questions to ask to identify true experts