1 INTRODUCTION

2 GALAXY CLUSTER SAMPLE
2.1 MACS Clusters
2.2 CL0152-1357
2.3 CLJ1226.9+3332
2.4 MS0451.6-0305
2.5 MS1054.4-0321
2.6 SDSS1004+41

3 OPTICAL VARIABILITY

4 X-RAY DATA REDUCTION AND POINT SOURCE DETECTION

5 INFRARED IMAGE ANALYSIS AND PHOTOMETRY

6 MULTI-WAVELENGTH ANALYSIS OF AGN CANDIDATES

7 DETERMINATION OF CLUSTER GALAXIES

8 PERCENTAGE OF AGN IN CLUSTERS

9 CONCLUSIONS