File:Kroll lecturing.png
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![File:Kroll lecturing.png](https://upload.wikimedia.org/wikipedia/commons/thumb/1/15/Kroll_lecturing.png/800px-Kroll_lecturing.png?20160711131820)
Size of this preview: 800 × 480 pixels. Other resolutions: 320 × 192 pixels | 1,024 × 615 pixels | 1,280 × 768 pixels | 2,046 × 1,228 pixels.
Original file (2,046 × 1,228 pixels, file size: 3.7 MB, MIME type: image/png)