[Kraus in Ohio State classroom, 1970s]
In Ohio State classroom, helical antenna in background; 1970s. (NRAO/AUI/NSF image)

[Ohio State radio telescope antenna, August 1952]
Ohio State radio telescope antenna, August 1952. (NRAO/AUI/NSF image)

[Kraus at Big Ear antenna, late-1960s]
At Big Ear antenna, late 1960s. (NRAO/AUI/NSF image)

[Kraus high school graduation photo, 1926]
High school graduation, 1926. (NRAO/AUI/NSF image)

[Big Ear antenna, late-1960s]
Ohio State radio telescope, "Big Ear". (NRAO/AUI/NSF image)

[Kraus in group, 1939]
L to R: Goudsmit, Yoakum, Heisenberg, Fermi, Kraus, 1939. (NRAO/AUI/NSF image)

[John and Alice Kraus, 1997]
John and Alice Kraus, 1997. (NRAO/AUI/NSF image)

[Kraus with flattop beam antenna, 1939]
With flattop beam antenna, 1939. (NRAO/AUI/NSF image)

[Kraus cutting wood, 1965]
Cutting wood, summer 1965. (NRAO/AUI/NSF image)

[Kraus at APS special session, June 2003]
APS Special Session, June 2003. (NRAO/AUI/NSF image)

[Kraus with ham radio group, 1939]
With ham radio group, 1939. (NRAO/AUI/NSF image)