<?xml version="1.0" encoding="utf-8"?>
<ead xmlns="urn:isbn:1-931666-22-9" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:isbn:1-931666-22-9 http://www.loc.gov/ead/ead.xsd"><eadheader countryencoding="iso3166-1" dateencoding="iso8601" langencoding="iso639-2b" repositoryencoding="iso15511"><eadid countrycode="US" mainagencycode="US-NNC-UA"></eadid><filedesc><titlestmt><titleproper>Frank Da Cruz collection<num>8600657</num></titleproper></titlestmt><publicationstmt><publisher>Rare Book and Manuscript Library</publisher><p id="logostmt"><extref xlink:actuate="onLoad" xlink:href="https://aspace.library.columbia.edu/assets/columbia.png" xlink:show="embed" xlink:type="simple"/></p><address><addressline>Butler Library, 6th Floor</addressline><addressline>Columbia University, Mail Code 1127</addressline><addressline>535 W. 114th St.</addressline><addressline>New York, NY 10027</addressline><addressline>Business Number: (212) 854-5153</addressline><addressline>Fax Number: (212) 854-1365</addressline><addressline>rbml@libraries.cul.columbia.edu</addressline><addressline>URL: <extptr xlink:href="http://www.columbia.edu/cu/lweb/indiv/rbml/index.html" xlink:show="new" xlink:title="http://www.columbia.edu/cu/lweb/indiv/rbml/index.html" xlink:type="simple"/></addressline></address><p>This finding aid is made available for public use following the Universal 1.0 Public Domain Dedication Creative Commons designation.</p></publicationstmt><notestmt><note><p>Partial contents listavailable at RBML;folder level control</p></note></notestmt></filedesc><profiledesc><creation>This finding aid was produced using ArchivesSpace on <date>2026-02-23 20:20:55 -0500</date>.</creation><langusage>Description is written in: <language langcode="eng" scriptcode="Latn">English, Latin script</language>.</langusage><descrules>Describing Archives: A Content Standard</descrules></profiledesc></eadheader><archdesc level="collection">
  <did>
    <repository>
      <corpname>Rare Book and Manuscript Library</corpname>
    </repository>
    <unittitle>Frank Da Cruz collection</unittitle>
    <origination label="Creator">
      <persname authfilenumber="http://id.loc.gov/authorities/names/n85161523" source="naf">Da Cruz, Frank, 1944-</persname>
    </origination>
    <unitid>8600657</unitid>
    <unitid>UA#0172</unitid>
    <langmaterial>
      <language langcode="eng" scriptcode="Latn">English</language>
    </langmaterial>
    <unitid type="aspace_uri">/repositories/2/resources/4587</unitid>
    <physdesc altrender="whole">
      <extent altrender="materialtype spaceoccupied">11 linear feet</extent>
    </physdesc>
    <unitdate datechar="creation" normal="1920/2011" type="inclusive">1920s-2010s</unitdate>
  </did>
  <accessrestrict id="aspace_fb2dfadf291384b7b4fba56d68cbcdf7">
    <head> Restrictions on Access</head>
<p>Material is unprocessed. Please contact rbml@columbia.edu for more information.</p>  </accessrestrict>
  <processinfo id="aspace_2e99f80c525160bb8eda249b88847f79">
    <head>Processing Information</head>
<p>Collection-level record describing unprocessed material made public in summer 2018 as part of the Hidden Collections initiative.</p>  </processinfo>
  <accessrestrict id="aspace_16f1fa697b8002781f44824ada912884">
    <head> Restrictions on Access</head>
<p>This collection has no restrictions.</p>  </accessrestrict>
  <accessrestrict id="aspace_d468fbc605b3283c7a372f78efab1f1c">
    <head> Restrictions on Access</head>
<p>This collection is located onsite.</p>  </accessrestrict>
  <scopecontent id="aspace_c196b731703cf0f29f6b4f33a72fb80c">
    <head>Summary</head>
<p>This collection consists of da Cruz's personal papers related to the 1968 Columbia student uprising, the history of computing at Columbia, and Columbia professor of astronomy and IBM pioneer Wallace Eckert.</p>  </scopecontent>
  <userestrict id="aspace_24dbdd50252ae7a6580929e374f51e92">
    <head>Terms Governing Use and Reproduction</head>
<p>Reproductions may be made for research purposes. The RBML maintains ownership of the physical material only. Copyright remains with the creator and his/her heirs. The responsibility to secure copyright permission rests with the patron.</p>  </userestrict>
  <acqinfo id="aspace_27d042d8b0f81eb34f1a0c1b37bea269">
    <head>Immediate Source of Acquisition</head>
<p>2010.2011.M086: Source of acquisition--Frank da Cruz. Method of acquisition--Gift; Date of acquisition--2011.</p>  </acqinfo>
  <bioghist id="aspace_c3eb9a74784840d244795f15dbb4b51e">
    <head>Biographical / Historical</head>
<p>Frank Da Cruz (CC 1970) served as a member of the Columbia University Information Technology (CUIT) department, including Director, Communications Software Development. At Columbia, he helped create Kermit, a file transfer/management protocol, first used in 1981.</p>  </bioghist>
  <controlaccess>
    <persname authfilenumber="http://id.loc.gov/authorities/names/n84007406" source="naf">Eckert, W. J (Wallace John), 1902-1971</persname>
    <persname authfilenumber="http://id.loc.gov/authorities/names/n85161523" source="naf">Da Cruz, Frank, 1944-</persname>
    <corpname source="lcsh">Columbia University. University Center for Computing Activities</corpname>
    <corpname source="lcsh">Thomas J. Watson Astronomical Computing Bureau</corpname>
  </controlaccess>
  <dsc/>
</archdesc>
</ead>
