Photo 1 : Georgia Institute of Technology, Group Photo (I am the first from the right in the first row).

Photo 2 : Georgia Institute of Technology, in Math Department Computer Lab.

Photo 3 : Northwestern Campus, near the lake.

Photo 4 : Chicago downtown, near the Buckingham Fountain.

Photo 5 : Chicago, downtown, near the Buckingham Fountain.

Photo 6 : Ioan Viorel Badica, our modern Socrates, and sometimes a mentor, in the “Academia Garden.” Unfortunately, he is no longer between us. He is the last one from left to right.

Photo 7 : me in front of DIS Building at Argonne National Laboratory.

Photo 8 : me in my Office at Argonne National Laboratory.