What a great shot!

“If I’m dangerous, maybe the girls will notice me!” quips Yuri Denisyuk, proudly displaying the Cyrillic Danger: Laser Radiation sign presented to him by the local Coherent Laser sales rep at his first visit to Lake Forest College in 1989.  This is my favorite image of one the great gods of Mt. Holympus, personified as everyone’s favorite grandfather with a wacky sense of humor.  After all, it was a science fiction story that inspired him to invent his own style of wavefront reconstruction!

His seminal paper, referencing only Gabor and Lippmann.

His autograph!

And another one.