Manny Medrano cut
loose on spring break by analyzing a set of khipus.
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A model of khipu knots,
representative of many khipus from pre- and post-Conquest
Peru JON CHASE/ PRESIDENT AND FELLOWS OF HARVARD COLLEGE
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THERE ARE MANY WAYS A college student might spend spring break.
Making an archaeological breakthrough is not usually one of them.
In his first year at Harvard, Manny Medrano did just that.
"There's something in me, I can't explain where it came from, but
I love the idea of digging around and trying to find secrets hidden
from the past," Medrano says.
With the help of his professor, Gary Urton, a scholar of Pre-Columbian
studies, Medrano interpreted a set of six khipus, knotted cords
used for record keeping in the Inca Empire. By matching the khipus
to a colonial-era Spanish census document, Medrano and Urton uncovered
the meaning of the cords in greater detail than ever before. Their
findings could contribute to a better understanding of daily life
in the Andean civilization.
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Manny Medrano (right),
with guidance from Professor Gary Urton, has decoded the meaning
behind khipus, an Inca bookkeeping method of knotted rope.
JON CHASE/ PRESIDENT AND FELLOWS OF HARVARD COLLEGE
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The Inca Empire reached its height of power in 15th- and 16th-century
Peru. When Spanish conquistadors invaded, the Inca had established
the largest and most complex society in the Americas. Architectural
marvels from the civilization, such as Machu
Picchu, survive to this day, but the Inca left behind no written
records.
"The only sources we have at present are chronicles of the Inca
that were written by the Spaniards," Urton says.* "We know in a
lot of cases those histories were skewed by Spanish beliefs and
Spanish motivations, and so we don't really have any indigenous
Inca history."
The only records the Inca are known to have kept are in the form
of intricately knotted khipu textiles. In 2002, Urton began Harvard's
Khipu Database Project. He traveled to museums and private collections
around the world to record the numbers of knots, lengths of cords,
colors of fibers, and other distinguishing details about every Inca
khipu he could findmore than 900 in total.
Urton says he and other researchers in the field have always had
a general sense of what the khipus represented. Many, they could
tell, had to do with census data. Others appeared to be registers
of goods or calendar systems. But, until recently, none of the khipus
Urton studied could be understood on a very detailed level. If the
khipus held messages or cultural information beyond just numbers,
the meanings were opaque to modern scholars.
A turning point came when Urton began looking into a set of six
khipus from the 17th-century Santa River Valley region of Northwest
Peru. One day, Urton picked up a book and happened to spot a Spanish
census document from the same region and time period.
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Santa Valley in Peru.
MIGUEL VERA LEÓN/ CC BY 2.0
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"A lot of the numbers that were recorded in that census record
matched those six khipus exactly," Urton says.
It was an exciting enough coincidence that Urton mentioned it to
his undergraduate students at the end of class in the spring of
2016. For Medrano, who was sitting in the lecture hall that day,
it was too enticing of a lead to ignore.
"I walked up to him and said, 'hey, spring break is coming up,
if you need someone to put a few hours into this, I'd be happy to
take a look,'" Medrano recalls.
Medrano, now a 21-year-old junior, was a freshman at the time.
He is majoring in economics, but had always found archaeology interesting
and had enrolled in Urton's course on the Inca civilization, curious
to study a period of history about which he knew little.
Urton agreed to allow Medrano to look into the Santa Valley khipus
and the Spanish census. "[I wasn't] thinking he'd ever do much with
it because I'd had one or two other people look at it before and
nobody could ever come up with anything," Urton says.
The khipus in question are in a private collection in Peru, so
Medrano worked from information Urton had recorded in his khipu
database. Medrano recalls combing through spreadsheets in Microsoft
Excel, graphing some of the data, and enjoying the hunt for patterns.
"I have a love of puzzles, just for entertainment. I love to do
a Sudoku on a plane or something, but this is so much more profound,"
he says.
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A khipu on display at
Los Angeles County Museum of Art. LYNN DOMBROWSKI/ CC BY-SA
2.0
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Medrano comes from a Mexican-American family and speaks Spanish,
so understanding the Spanish census document was no problem. Handling
numbers and data came naturally to him as well, as an economics
major. The challenge, as both Medrano and Urton note, seemed to
demand a perfect alignment of his skills and interests.
"Not every archaeology project operates in Excel," Medrano points
out.
Medrano noticed that the way each cord was tied onto the khipu
seemed to correspond to the social status of the 132 people recorded
in the census document. The colors of the strings also appeared
to be related to the people's first names. The correlations seemed
too strong to be a coincidence. After spring break, Medrano told
his professor about his theories.
"I just remember being pretty excited, that, 'Wow! I think the
guy's got it,'" Urton says. "There were a couple of things that
didn't add up and I'd point that out and he'd take it back and work
on it for a week or two and come back and he would have understood
something about it at a deeper level."
Medrano worked with Urton over the next several months and the
two compiled their findings into a paper which will be published
in the peer-reviewed journal Ethnohistory
in January. Medrano is the first author on the paper, indicating
he contributed the bulk of the research, something Urton notes is
extremely rare for an undergraduate student.
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A 15th-century khipu.
PUBLIC DOMAIN
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Sabine Hyland researches Andean anthropology at the University
of St. Andrews. She has read Medrano and Urton's forthcoming paper
and describes their discoveries as "thrilling."
"Manny has proven that the way in which pendant cords are tied
to the top cord indicates which social group an individual belonged
to. This is the first time anyone has shown that and it's a big
deal," Hyland says.
Urton is now optimistic that the six khipus examined in the research
could serve as a key to decode the hundreds of others he has in
his database. The colors of the cords as they relate to first names
could hint at the meanings of colors in other khipus, for example.
"There's a lot we can draw on from this one case," Urton says.
But what's most exciting to Urton and Medrano is the potential
to better understand Inca history from the indigenous point of view.
As Medrano puts it, "history has been written from the perspective
of the conquerors and to reverse that hierarchy is what I see this
project as doing."
* Felipe Guaman Poma de Ayala's 1615 El
primer nueva corónica y buen gobierno is a history
that includes the Inca with an indigenous perspective.
Ethnohistory
Ethnohistory reflects the wide range of current scholarship that
is inspired by anthropological and historical approaches to the
human conditions. Of particular interest are those analyses and
interpretations that seek to make evident the experience, organization
and identities of indigenous, disasporic and minority peoples that
otherwise elude the histories and anthropologies of nations, states
and colonial empires.
https://ethnohistory.org/journal-of-ethnohistory/
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