![Juan O'CALLAGHAN | Professor (Full) | PhD | Universitat Politècnica de Catalunya, Barcelona | UPC | Department of Signal Theory and Communications (TSC) | Research profile Juan O'CALLAGHAN | Professor (Full) | PhD | Universitat Politècnica de Catalunya, Barcelona | UPC | Department of Signal Theory and Communications (TSC) | Research profile](https://i1.rgstatic.net/ii/profile.image/365525533249538-1464159486907_Q512/Juan-Ocallaghan.jpg)
Juan O'CALLAGHAN | Professor (Full) | PhD | Universitat Politècnica de Catalunya, Barcelona | UPC | Department of Signal Theory and Communications (TSC) | Research profile
![Greater Than a Tourist- Barcelona Spain: 50 Travel Tips from a Local: Callaghan, Harrison, Tourist, Greater Than a, Rusczyk Ed. D., Lisa: 9781980946809: Amazon.com: Books Greater Than a Tourist- Barcelona Spain: 50 Travel Tips from a Local: Callaghan, Harrison, Tourist, Greater Than a, Rusczyk Ed. D., Lisa: 9781980946809: Amazon.com: Books](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T2/images/I/71M65MzDu+L._AC_UY218_.jpg)
Greater Than a Tourist- Barcelona Spain: 50 Travel Tips from a Local: Callaghan, Harrison, Tourist, Greater Than a, Rusczyk Ed. D., Lisa: 9781980946809: Amazon.com: Books
European Handball Federation - FC Barcelona US Managing Director and former handball player Xavier O'Callaghan explained at the European Handball Talks what a strong sports brand represents for him. | Facebook
![The manager of the Spanish handball club FC Barcelona, Xavier O'Callaghan, Stock Photo, Picture And Rights Managed Image. Pic. PAH-57670516 | agefotostock The manager of the Spanish handball club FC Barcelona, Xavier O'Callaghan, Stock Photo, Picture And Rights Managed Image. Pic. PAH-57670516 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/c47c5f8c109c65f75a5475157272eb6f/pah-57670516.jpg)
The manager of the Spanish handball club FC Barcelona, Xavier O'Callaghan, Stock Photo, Picture And Rights Managed Image. Pic. PAH-57670516 | agefotostock
![Revista española de papiroligia. I,1/1962. Ed. José O'Callaghan s.j., Barcelona. by STUDIA PAPYROLOGICA - Paperback - from Frits Knuf Antiquarian Books (SKU: 17417) Revista española de papiroligia. I,1/1962. Ed. José O'Callaghan s.j., Barcelona. by STUDIA PAPYROLOGICA - Paperback - from Frits Knuf Antiquarian Books (SKU: 17417)](https://d3525k1ryd2155.cloudfront.net/h/200/980/55980200.0.x.jpg)
Revista española de papiroligia. I,1/1962. Ed. José O'Callaghan s.j., Barcelona. by STUDIA PAPYROLOGICA - Paperback - from Frits Knuf Antiquarian Books (SKU: 17417)
![Australia's Webb and O'Callaghan row during the lightweight men's pairs semi-finals at the World Rowing Championships near Barcelona. Ben Webb (L) and Tim O'Callaghan of Australia row during the lightweight men's pairs Australia's Webb and O'Callaghan row during the lightweight men's pairs semi-finals at the World Rowing Championships near Barcelona. Ben Webb (L) and Tim O'Callaghan of Australia row during the lightweight men's pairs](https://c8.alamy.com/comp/2D3FAFE/australias-webb-and-ocallaghan-row-during-the-lightweight-mens-pairs-semi-finals-at-the-world-rowing-championships-near-barcelona-ben-webb-l-and-tim-ocallaghan-of-australia-row-during-the-lightweight-mens-pairs-semi-finals-at-the-world-rowing-championships-on-lake-banyoles-near-barcelona-july-30-2004-the-pair-qualified-for-final-a-the-world-rowing-championships-run-till-august-1-reuters-victor-fraile-2D3FAFE.jpg)